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Two-body problem in general relativity

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to the mediator of the electromagnetic interaction.) As seen from a Newtonian point of view, if gravitational influence does propagate at a finite speed, then at all points in time a planet is attracted to a point where the Sun was some time before, and not towards the instantaneous position of the Sun. On the assumption of the classical fundamentals, Laplace had shown that if gravity would propagate at a velocity on the order of the speed of light then the solar system would be unstable, and would not exist for a long time. The observation that the solar system is old enough allowed him to put a lower limit on the
2906: 8189: 4452: 8697: 41: 8630: 8606: 8618: 5337: 6034: 7170: 1323: 10103: 724: 5148: 8222: 5856: 8136: 1157: 4845: 7550: 5583: 7821: 7814: 6369: 8161: 1300:(1898) even succeeded in deriving the correct formula for the perihelion shift (which was identical to that formula later used by Einstein). However, because the basic laws of Weber and others were wrong (for example, Weber's law was superseded by Maxwell's theory), those hypotheses were rejected. Another attempt by 6659: 3849: 8279:
gives a thorough treatment of the analogous problem in electromagnetism. Feynman shows that for a moving charge, the non-radiative field is an attraction/repulsion not toward the apparent position of the particle, but toward the extrapolated position assuming that the particle continues in a straight
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is a calculational method that provides a series of ever more accurate solutions to a given problem. The method is iterative; an initial solution for particle motions is used to calculate the gravitational fields; from these derived fields, new particle motions can be calculated, from which even more
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should be curved in order to reproduce the physical laws observed in Nature, particularly gravitation. Gravity is distinct from the fictitious forces centrifugal force and coriolis force in the sense that the curvature of spacetime is regarded as physically real, whereas the fictitious forces are not
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had shown that if the gravitational influence does not act instantaneously, then the motions of the planets themselves will not exactly conserve momentum (and consequently some of the momentum would have to be ascribed to the mediator of the gravitational interaction, analogous to ascribing momentum
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eternally. The presence of other forces (such as the gravitation of other planets), causes this ellipse to rotate gradually. The rate of this rotation (called orbital precession) can be measured very accurately. The rate can also be predicted knowing the magnitudes and directions of the other forces.
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of the other. If so, the larger mass may be taken as stationary and the sole contributor to the gravitational field. This is a good approximation for a photon passing a star and for a planet orbiting its sun. The motion of the lighter body (called the "particle" below) can then be determined from the
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Laplace's estimate for the speed of gravity is not correct in a field theory which respects the principle of relativity. Since electric and magnetic fields combine, the attraction of a point charge which is moving at a constant velocity is towards the extrapolated instantaneous position, not to the
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as a key concept to guide his way. According to this principle, a uniform gravitational field acts equally on everything within it and, therefore, cannot be detected by a free-falling observer. Conversely, all local gravitational effects should be reproducible in a linearly accelerating reference
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is observed for all the planets orbiting the Sun, primarily due to the oblateness of the Sun (it is not perfectly spherical) and the attractions of the other planets to one another. The apsides are the two points of closest and furthest distance of the orbit (the periapsis and apoapsis,
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Einstein's equations can also be solved on a computer using sophisticated numerical methods. Given sufficient computer power, such solutions can be more accurate than post-Newtonian solutions. However, such calculations are demanding because the equations must generally be solved in a
7575: 6190: 1138:. This model can be applied approximately to the Solar System. Since the mass of the Sun is much larger than those of the planets, the force acting on each planet is principally due to the Sun; the gravity of the planets for each other can be neglected to first approximation. 2672: 4827:
i.e., when the two attractive forces—Newtonian gravity (first term) and the attraction unique to general relativity (third term)—are exactly balanced by the repulsive centrifugal force (second term). There are two radii at which this balancing can occur, denoted here as
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Another illustration would be a world in which the rulers used to measure length were untrustworthy, rulers that changed their length with their position and even their orientation. In the most general case, one must allow for cross-terms when calculating the distance
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was not quite what it should be; the ellipse of its orbit was rotating (precessing) slightly faster than predicted by the traditional theory of Newtonian gravity, even after all the effects of the other planets had been accounted for. The effect is small (roughly 43
8188: 1369:. It followed that Newton's law of gravitation would have to be replaced with another law, compatible with the principle of relativity, while still obtaining the Newtonian limit for circumstances where relativistic effects are negligible. Such attempts were made by 5851:{\displaystyle \omega _{\varphi }^{2}\approx {\frac {GM}{r_{\mathrm {outer} }^{3}}}=\left({\frac {r_{s}c^{2}}{2r_{\mathrm {outer} }^{3}}}\right)=\left({\frac {r_{s}c^{2}}{2}}\right)\left({\frac {r_{s}^{3}}{8a^{6}}}\right)={\frac {c^{2}r_{s}^{4}}{16a^{6}}}} 8131:{\displaystyle -\left\langle {\frac {dP_{b}}{dt}}\right\rangle ={\frac {192\pi G^{5/3}m_{1}m_{2}(m_{1}+m_{2})^{-1/3}}{5c^{5}\left(1-e^{2}\right)^{7/2}}}\left(1+{\frac {73}{24}}e^{2}+{\frac {37}{96}}e^{4}\right)\left({\frac {P_{b}}{2\pi }}\right)^{-{5/3}}} 2399: 4481:
equals the square root of three, a metastable circular orbit is possible at the radius highlighted with a green circle. At higher angular momenta, there is a significant centrifugal barrier (orange curve) and an unstable inner radius, highlighted in
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per century). Le Verrier realized the importance of his discovery immediately, and challenged astronomers and physicists alike to account for it. Several classical explanations were proposed, such as interplanetary dust, unobserved oblateness of the
856:, an iterative method in which an initial solution is gradually corrected. More recently, it has become possible to solve Einstein's field equation using a computer instead of mathematical formulae. As the two bodies orbit each other, they will emit 6485: 3652: 2048: 4266: 3864: 2956: 6694: 5197: 3226: 6476: 8150:
The losses in energy and angular momentum increase significantly as the eccentricity approaches one, i.e., as the ellipse of the orbit becomes ever more elongated. The radiation losses also increase significantly with a decreasing size
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in the space-time. In uncurved space-time, far from a source of gravity, these geodesics correspond to straight lines; however, they may deviate from straight lines when the space-time is curved. The equation for the geodesic lines is
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four-dimensional space. Nevertheless, beginning in the late 1990s, it became possible to solve difficult problems such as the merger of two black holes, which is a very difficult version of the Kepler problem in general relativity.
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in blue and red, respectively. These curves meet at a unique circular orbit (green circle) when the normalized angular momentum equals the square root of three. For comparison, the classical radius predicted from the
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follows a geodesic path through that fixed space-time. This is a reasonable approximation for photons and the orbit of Mercury, which is roughly 6 million times lighter than the Sun. However, it is inadequate for
5925: 4825: 7160: 2245: 2493: 3640: 5551: 1118:. Given this force law and his equations of motion, Newton was able to show that two point masses attracting each other would each follow perfectly elliptical orbits. The ratio of sizes of these ellipses is 7545:{\displaystyle -\left\langle {\frac {dE}{dt}}\right\rangle ={\frac {32G^{4}m_{1}^{2}m_{2}^{2}(m_{1}+m_{2})}{5c^{5}a^{5}\left(1-e^{2}\right)^{7/2}}}\left(1+{\frac {73}{24}}e^{2}+{\frac {37}{96}}e^{4}\right)} 6972: 2874:); at the surface of the Earth, the corrections to Newtonian gravity are only one part in a billion. The Schwarzschild radius of the Sun is much larger, roughly 2953 meters, but at its surface, the ratio 2508:. Einstein developed those field equations to match the then known laws of Nature; however, they predicted never-before-seen phenomena (such as the bending of light by gravity) that were confirmed later. 851:
If both masses are considered to contribute to the gravitational field, as in binary stars, the Kepler problem can be solved only approximately. The earliest approximation method to be developed was the
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Two neutron stars rotating rapidly around one another gradually lose energy by emitting gravitational radiation. As they lose energy, they orbit each other more quickly and more closely to one another.
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Others argued that Newton's law should be supplemented with a velocity-dependent potential. However, this implied a conflict with Newtonian celestial dynamics. In his treatise on celestial mechanics,
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predict the apsidal precessions of the planets accurately, it would have to be discarded as a theory of gravitation. Such an anomalous precession was observed in the second half of the 19th century.
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accurate estimates of the fields can be computed, and so on. This approach is called "post-Newtonian" because the Newtonian solution for the particle orbits is often used as the initial solution.
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for timelike orbits (which are traveled by massive particles), and is usually taken to be equal to it. For lightlike (or null) orbits (which are traveled by massless particles such as the
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for details). In (1+1) dimensions, i.e. a space made of one spatial dimension and one time dimension, the metric for two bodies of equal masses can be solved analytically in terms of the
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introduces a third force that attracts the particle slightly more strongly than Newtonian gravity, especially at small radii. This third force causes the particle's elliptical orbit to
3459:, have been introduced. They are constants of the motion and depend on the initial conditions (position and velocity) of the test particle. Hence, the solution of the orbit equation is 2821: 6380: 3197: 1418:, to allow for the curvature of space and time that was necessary for the reconciliation; after eight years of work (1907–1915), he succeeded in discovering the precise way in which 1381:(1910). In 1907 Einstein came to the conclusion that to achieve this a successor to special relativity was needed. From 1907 to 1915, Einstein worked towards a new theory, using his 1104: 1185:
Newton's law of gravitation soon became accepted because it gave very accurate predictions of the motion of all the planets. These calculations were carried out initially by
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orbit. The angular brackets on the left-hand side of the equation represent the averaging over a single orbit. Similarly, the average rate of losing angular momentum equals
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due to gravitational radiation from the two bodies of the Kepler problem have been calculated. The rate of losing energy (averaged over a complete orbit) is given by
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and to incorporate the equivalence principle, something had to be sacrificed; that something was the long-held classical assumption that our space obeys the laws of
844:, which is a key piece of evidence supporting the theory of general relativity. They also describe the bending of light in a gravitational field, another prediction 9806: 482: 5571: 5403: 3217: 6654:{\displaystyle \delta \varphi =T(\omega _{\varphi }-\omega _{r})\approx 2\pi \left({\frac {3r_{s}^{2}}{4a^{2}}}\right)={\frac {3\pi m^{2}c^{2}}{2L^{2}}}r_{s}^{2}} 3844:{\displaystyle \left({\frac {dr}{d\tau }}\right)^{2}={\frac {E^{2}}{m^{2}c^{2}}}-c^{2}+{\frac {r_{s}c^{2}}{r}}-{\frac {h^{2}}{r^{2}}}+{\frac {r_{s}h^{2}}{r^{3}}}} 2889:
star is much denser, but even here the ratio at its surface is roughly 250 parts in a million. The ratio only becomes large close to ultra-dense objects such as
5176: = 0. At the outer radius, however, the circular orbits are stable; the third term is less important and the system behaves more like the non-relativistic 4455:
Effective radial potential for various angular momenta. At small radii, the energy drops precipitously, causing the particle to be pulled inexorably inwards to
3148: 2951: 2931: 1560: 6083: 4108:{\displaystyle {\frac {1}{2}}m\left({\frac {dr}{d\tau }}\right)^{2}=\left+{\frac {GMm}{r}}-{\frac {L^{2}}{2\mu r^{2}}}+{\frac {G(M+m)L^{2}}{c^{2}\mu r^{3}}}} 3123:{\displaystyle \left({\frac {dr}{d\tau }}\right)^{2}={\frac {E^{2}}{m^{2}c^{2}}}-\left(1-{\frac {r_{s}}{r}}\right)\left(c^{2}+{\frac {h^{2}}{r^{2}}}\right).} 6871:{\displaystyle \delta \varphi \approx {\frac {3\pi m^{2}c^{2}}{2L^{2}}}\left({\frac {4G^{2}M^{2}}{c^{4}}}\right)={\frac {6\pi G^{2}M^{2}m^{2}}{c^{2}L^{2}}}} 5874: 5327:{\displaystyle {\begin{aligned}r_{\mathrm {outer} }&\approx {\frac {2a^{2}}{r_{s}}}\\r_{\mathrm {inner} }&\approx {\frac {3}{2}}r_{s}\end{aligned}}} 2909:
Comparison between the orbit of a test particle in Newtonian (left) and Schwarzschild (right) spacetime. Please click for high resolution animated graphics.
4660: 3381:{\displaystyle \left({\frac {dr}{d\varphi }}\right)^{2}={\frac {r^{4}}{b^{2}}}-\left(1-{\frac {r_{s}}{r}}\right)\left({\frac {r^{4}}{a^{2}}}+r^{2}\right),} 934:. Brahe took extraordinarily accurate measurements of the motion of the planets of the Solar System. From these measurements, Kepler was able to formulate 755: 7094: 4281: 2134: 7208:
The metric for the case of two comparable masses cannot be solved in closed form and therefore one has to resort to approximation techniques such as the
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between two spatial points is not constant, but depends on the motion of the observer. However, there is a measure of separation between two points in
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potential of Newton's gravitational law but differs only slightly, then the ellipse of the orbit gradually rotates (among other possible effects). This
871:, the numerical solution of the two-body problem was achieved after four decades of research in 2005 when three groups devised breakthrough techniques. 3462: 5490: 9213: 8479:; Choi, Dae-Il; Koppitz, Michael; van Meter, James (2006). "Gravitational-Wave Extraction from an Inspiraling Configuration of Merging Black Holes". 1722:
are arbitrary functions of position. It is not hard to imagine such a world; we live on one. The surface of the earth is curved, which is why it is
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apparent position it seems to occupy when looked at. To avoid those problems, between 1870 and 1900 many scientists used the electrodynamic laws of
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Kepler published the first two laws in 1609 and the third law in 1619. They supplanted earlier models of the Solar System, such as those of
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respectively); apsidal precession corresponds to the rotation of the line joining the apsides. It also corresponds to the rotation of the
837: 9853: 845: 10088: 692: 9877: 9623: 2753:, which corresponds to the external gravitational field of a stationary, uncharged, non-rotating, spherically symmetric body of mass 1043:. Newton then posed the question: what must the force be that produces the elliptical orbits seen by Kepler? His answer came in his 502: 344: 4505: 1044: 889: 748: 457: 1160:
In the absence of any other forces, a particle orbiting another under the influence of Newtonian gravity follows the same perfect
8253: 2667:{\displaystyle {\frac {d^{2}x^{\mu }}{dq^{2}}}+\Gamma _{\nu \lambda }^{\mu }{\frac {dx^{\nu }}{dq}}{\frac {dx^{\lambda }}{dq}}=0} 1454: 2771: 1165:
However, the predictions of Newtonian gravity do not match the observations, as discovered in 1859 from observations of Mercury.
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is stationary and it alone determines the gravitational field (i.e., the geometry of space-time) and, hence, the lesser mass
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that captures the GR corrections to the Newtonian potential. Secondly, one should solve the resulting equations of motion.
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Ohta, T.; Mann, R. B. (1997). "Exact solution for the metric and the motion of two bodies in (1+1)-dimensional gravity".
8551:(1859). "Lettre de M. Le Verrier à M. Faye sur la théorie de Mercure et sur le mouvement du périhélie de cette planÚte". 8285: 741: 9214:
A Treatise on the Analytical Dynamics of Particles and Rigid Bodies, with an Introduction to the Problem of Three Bodies
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Diagram of the parameter space of compact binaries with the various approximation schemes and their regions of validity.
9534: 3151: 1313: 121: 2079:. In the spherical-coordinates example above, there are no cross-terms; the only nonzero metric tensor components are 9905: 9539: 9092: 9025: 6889: 1179: 1151: 147: 8281: 8985:. San Francisco: W. H. Freeman. pp. Chapter 25 (pp. 636–687), §33.5 (pp. 897–901), and §40.5 (pp. 1110–1116). 9859: 8207: 710: 427: 40: 9572: 2495:
just as we generalized the formula to measure distance on the surface of the Earth. The exact form of the metric
1723: 334: 8401:; Marronetti, P.; Zlochower, Y. (2006). "Accurate Evolutions of Orbiting Black-Hole Binaries without Excision". 1730:
of the earth. Non-Cartesian coordinate systems illustrate this well; for example, in the spherical coordinates (
9675: 8394: 8243: 4269: 2411:, however, space and time may have curvature, so this distance formula must be modified to a more general form 2394:{\displaystyle c^{2}\,d\tau ^{2}=c^{2}\,dt^{2}-dr^{2}-r^{2}\,d\theta ^{2}-r^{2}\sin ^{2}\theta \,d\varphi ^{2}} 19: 10106: 9848: 9753: 9683: 8952: 1427:
explained the anomalous precession of Mercury and predicted an unusual bending of light, which was confirmed
1134:, then the larger mass will appear to be stationary at the focus of the elliptical orbit of the lighter mass 981: 421: 129: 9816: 4439:= 0; this inner radius is a function of the particle's angular momentum per unit mass or, equivalently, the 3157: 1241:. After these explanations were discounted, some physicists were driven to the more radical hypothesis that 467: 9670: 7209: 1398:, which result from being in an accelerated reference frame; all fictitious forces are proportional to the 1362: 487: 9711: 9445: 9430: 2043:{\displaystyle ds^{2}=g_{xx}\,dx^{2}+g_{xy}\,dx\,dy+g_{xz}\,dx\,dz+\cdots +g_{zy}\,dz\,dy+g_{zz}\,dz^{2}} 1554: 1206: 728: 219: 139: 4284:, this inverse-cubic energy causes elliptical orbits to precess gradually by an angle Ύφ per revolution 4261:{\displaystyle V(r)=-{\frac {GMm}{r}}+{\frac {L^{2}}{2\mu r^{2}}}-{\frac {G(M+m)L^{2}}{c^{2}\mu r^{3}}}} 9998: 9440: 9393: 5483:
is the orbital angular speed of the particle, is obtained in non-relativistic mechanics by setting the
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is unstable, because the attractive third force strengthens much faster than the other two forces when
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or numerical approximations. In passing, we mention one particular exception in lower dimensions (see
1557:. Now imagine a world in which this is not quite true; a world where the distance is instead given by 860:; this causes them to lose energy and angular momentum gradually, as illustrated by the binary pulsar 10028: 9654: 9335: 8848: 8767: 432: 244: 10053: 9603: 9363: 9274: 7239: 7183: 5364: 3424: 2746: 2505: 1424: 1326: 853: 667: 657: 507: 324: 9218: 3391: 9782: 9704: 9324: 9315: 8289: 8258: 7284: 7274: 6471:{\displaystyle \omega _{r}=\omega _{\varphi }\left(1-{\frac {3r_{s}^{2}}{4a^{2}}}+\cdots \right)} 2740: 2720: 2517: 1156: 1009: 819:. No exact solutions of the Kepler problem have been found, but an approximate solution has: the 801: 652: 386: 9190: 9183: 9136: 8825: 4268:
The first two terms are well-known classical energies, the first being the attractive Newtonian
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In practice, this ratio is almost always extremely small. For example, the Schwarzschild radius
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According to Einstein's theory of general relativity, particles of negligible mass travel along
910:. The larger mass is also moving on an elliptical orbit, but it is too small to be seen because 10008: 9871: 9777: 9735: 9409: 9373: 8978: 8719:
Peters PC, Mathews J (1963). "Gravitational Radiation from Point Masses in a Keplerian Orbit".
2828: 1115: 816: 622: 607: 452: 214: 9017: 8771: 7082: 10013: 9618: 9557: 8874:(1931). "Theory of the relativistic trajectories in a gravitational field of Schwarzschild". 8853: 6061:
and Earth. The yellow dot within the orbits represents the center of attraction, such as the
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to produce stable orbits and to explain the perihelion shift of Mercury's orbit. In 1890,
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Hence, the final formula of angular apsidal precession for a unit complete revolution is
4116: 2525: 2404: 2076: 1444: 1411: 777: 612: 582: 577: 329: 9983: 8887: 8797: 8732: 8674: 8502: 8424: 8343: 7064:{\displaystyle \delta \varphi \approx {\frac {6\pi G(M+m)}{c^{2}A\left(1-e^{2}\right)}}} 4374:{\displaystyle \delta \varphi \approx {\frac {6\pi G(M+m)}{c^{2}A\left(1-e^{2}\right)}}} 592: 562: 10058: 9958: 9882: 9740: 9721: 9715: 9666: 9608: 9517: 9435: 9353: 9330: 9298: 9129: 9102: 9081: 8998: 8818: 8783: 8686: 8660: 8530: 8488: 8452: 8410: 8371: 8329: 8179: 7280: 7224: 6050: 6046: 4277: 3133: 2936: 2916: 2843: 2675: 2408: 2112: 1440: 1407: 1403: 1342: 1317: 1245: 1174: 1147: 857: 785: 662: 547: 472: 319: 224: 209: 170: 32: 1851:{\displaystyle ds^{2}=dr^{2}+r^{2}\,d\theta ^{2}+r^{2}\sin ^{2}\theta \,d\varphi ^{2}} 1451:
between two points in space is the sum of the squares of its perpendicular components
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showing relativistic precession of stars around the Milky Way supermassive black hole
9222: 9194: 9140: 9110: 9088: 9065: 9043: 9021: 9010: 8986: 8970: 8956: 8930: 8922: 8908: 8891: 8857: 8829: 8690: 8548: 8522: 8514: 8444: 8436: 8363: 8355: 5484: 4273: 1391: 1378: 1374: 1212: 985: 868: 808: 492: 267: 9938: 9156:"Breaking in the 4-vectors: the four-dimensional movement in gravitation, 1905–1910" 8772:"The Relativistic Binary Pulsar B1913+16: Thirty Years of Observations and Analysis" 8534: 8375: 4451: 1370: 1354: 542: 9973: 9963: 9910: 9887: 9465: 9057: 8736: 8678: 8506: 8456: 8428: 8347: 8227: 7295: 6374: 6054: 2831:. The classical Newtonian theory of gravity is recovered in the limit as the ratio 1387: 1289: 1281: 1265: 1220: 973: 955: 893: 841: 812: 617: 572: 552: 497: 10033: 8510: 8432: 8351: 8178:(red dots) matches the change due to the reduction in orbital period predicted by 2715:), the proper time is zero and, strictly speaking, cannot be used as the variable 637: 10048: 10023: 9948: 9943: 9826: 9787: 9749: 9693: 9567: 9503: 9208: 9178: 9042:. Translated by G. Field. New York: Dover Publications. pp. 40–41, 166–169. 8871: 8843: 8651: 8317: 7565: 6069:
The orbital precession rate may be derived using this radial effective potential
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The stable and unstable radii are plotted versus the normalized angular momentum
2116: 1358: 1350: 1301: 1238: 989: 962: 927: 672: 647: 532: 527: 391: 272: 234: 9831: 6053:(cyan orbit) in the direction of its rotation; this effect has been measured in 1285: 442: 10073: 9745: 9729: 9725: 9628: 9598: 9455: 9358: 9035: 8476: 8248: 8235: 8213: 6038: 5336: 5177: 1727: 1395: 1366: 1293: 1268:
that turned out to be many orders of magnitude faster than the speed of light.
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General relativity describes the gravitational field by curved space-time; the
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succeeded in doing so by combining the laws of Weber and Riemann, whereby the
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is essential to calculate the bending of light by gravity and the motion of a
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invariant; in other words, it does not depend on the motion of the observer.
2072: 861: 642: 557: 537: 462: 360: 239: 8852:(5th ed.). Princeton, New Jersey: Princeton University Press. pp.  8740: 7227:. However, the gravitational energy between the two bodies is exchanged via 1228:
of rotation per century), but well above the measurement error (roughly 0.1
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depends on the gravitating mass, momentum and energy, as described by the
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in the later 19th century. Conversely, if Newton's law of gravitation did
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goes to infinity, implying that there is a circular orbit for photons at
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Kopeikin, Sergei; Efroimsky, Michael; Kaplan, George (25 October 2011).
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Since the closed classical orbit is an ellipse in general, the quantity
6180:{\displaystyle \omega _{r}^{2}={\frac {1}{m}}\left_{r=r_{\text{outer}}}} 1365:, exclude the possibility of propagation of any effects faster than the 1322: 1004:. Kepler's laws apply only in the limited case of the two-body problem. 10078: 9644: 9488: 9483: 8974: 8944: 8168: 7246:
The theory can be divided into two parts: first one finds the two-body
2894: 2857: 2687: 2683: 2124: 1419: 1216: 1001: 687: 249: 175: 107:{\displaystyle G_{\mu \nu }+\Lambda g_{\mu \nu }={\kappa }T_{\mu \nu }} 8665: 8493: 8415: 8334: 5920:{\displaystyle r_{\text{outer}}\approx r_{\text{inner}}\approx 3r_{s}} 2407:
and similarly holds only when there is no curvature in space-time. In
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of gravitation was incorrect. For example, some physicists proposed a
9475: 9064:(revised 2nd ed.). New York: Springer Verlag. pp. 143–149. 8594: 7232: 4820:{\displaystyle F=-{\frac {dV}{dr}}=-{\frac {mc^{2}}{2r^{4}}}\left=0;} 1249: 1229: 1225: 800:
around each other, and estimate their gradual loss of energy through
258: 7155:{\displaystyle \delta \varphi \approx {\frac {6\pi G(M+m)}{c^{2}l}}} 6880:
This may be simplified using the elliptical orbit's semi-major axis
2240:{\displaystyle c^{2}\,d\tau ^{2}=c^{2}\,dt^{2}-dx^{2}-dy^{2}-dz^{2}} 1169:
If the potential energy between the two bodies is not exactly the 1/
796:
orbiting its sun. Solutions are also used to describe the motion of
10018: 9368: 8393: 6482:
of one revolution gives the precession of the orbit per revolution
2842:
goes to zero. In that limit, the metric returns to that defined by
2531: 2521: 1253: 1005: 833: 627: 437: 277: 7192:
In the Schwarzschild solution, it is assumed that the larger mass
2488:{\displaystyle c^{2}\,d\tau ^{2}=g_{\mu \nu }dx^{\mu }\,dx^{\nu }} 1402:, just as gravity is. To effect the reconciliation of gravity and 9162:. Vol. 3. Berlin: Springer. pp. 193–252. Archived from 8747: 7569: 7228: 6042: 3635:{\displaystyle \varphi =\int {\frac {1}{r^{2}}}\left^{-1/2}\,dr.} 1260: 1161: 997: 951: 898: 8929:(4th ed.). New York: Dover Publications. pp. 330–338. 5546:{\displaystyle {\frac {GMm}{r^{2}}}=\mu \omega _{\varphi }^{2}r} 9698: 9012:
Subtle is the Lord: The Science and the Life of Albert Einstein
8280:
line in a constant velocity. This is a notable property of the
7291: 4657:
Circular orbits are possible when the effective force is zero:
2728: 2712: 1431:
his theory was published. These solutions are explained below.
1414:
is true experimentally. Einstein used a more general geometry,
947: 793: 7279:
If there is no incoming gravitational radiation, according to
4115:
which is equivalent to a particle moving in a one-dimensional
2127:— called "proper time" and denoted with the symbol dτ — that 9259: 8288:. Presumably the same holds in linearized gravity: e.g., see 6967:{\displaystyle {\frac {h^{2}}{G(M+m)}}=A\left(1-e^{2}\right)} 6373:
Taking the square root of both sides and expanding using the
6058: 943: 919: 6080:
will oscillate in a stable manner with an angular frequency
5580:
In our notation, the classical orbital angular speed equals
4276:; however, the third term is an attractive energy unique to 2723:
of timelike orbits, that is, the limit as the particle mass
9679: 6073:. A small radial deviation from a circular orbit of radius 5165:
becomes small; if the particle slips slightly inwards from
2871: 1330: 966: 8969: 5194:(the classical case), these formulae become approximately 2700:, or rather on how it changes with position. The variable 1307: 9109:. Amsterdam: North-Holland Publishing. pp. 289–298. 8572: 8570: 8568: 8474: 6062: 1334: 1234: 1023:. In particular, Newton's second law states that a force 9062:
Essential Relativity: Special, General, and Cosmological
9217:(4th ed.). New York: Dover Publications. pp.  8902: 8778:. ASP Conference Series. Vol. 328. San Francisco: 8703: 8600: 3223:. This can be converted into an equation for the orbit 2719:. Nevertheless, lightlike orbits can be derived as the 1237:, an undetected moon of Mercury, or a new planet named 1126:, with the larger mass moving on a smaller ellipse. If 8815: 8565: 8389: 8387: 8385: 6021:. The sphere of this radius is sometimes known as the 4446: 3649:
The equation of motion for the particle derived above
3427: 3394: 3160: 930:, who worked as an assistant to the Danish astronomer 9135:. Chicago: The University of Chicago Press. pp.  8320:(2005). "Evolution of Binary Black-Hole Spacetimes". 7824: 7578: 7304: 7097: 6980: 6897: 6697: 6488: 6383: 6193: 6086: 5877: 5871:
from above, the two radii converge to a single value
5586: 5559: 5493: 5406: 5200: 4848: 4663: 4508: 4290: 4124: 3867: 3655: 3465: 3229: 3205: 3136: 2959: 2939: 2919: 2774: 2541: 2417: 2253: 2137: 1870: 1748: 1563: 1457: 1061: 50: 8905:
Relativistic Celestial Mechanics of the Solar System
8470: 8468: 8466: 8203: 7164: 5389:
yields the classical formula for a particle of mass
4424:
The third term is attractive and dominates at small
3644: 2913:
The orbits of a test particle of infinitesimal mass
1541:
represent the infinitesimal differences between the
938:, the first modern description of planetary motion: 902:
Figure 1. Typical elliptical path of a smaller mass
827:
of one body is overwhelmingly greater than the mass
8382: 8167:Experimentally observed changes in the time of the 7205:, in which the masses may be of similar magnitude. 4459:= 0. However, when the normalized angular momentum 4435:at which a particle is drawn inexorably inwards to 1435:
General relativity, special relativity and geometry
9182: 9128: 9080: 9009: 8817: 8582: 8130: 7808: 7544: 7253: 7154: 7063: 6966: 6870: 6653: 6470: 6363: 6179: 6028: 5919: 5850: 5565: 5545: 5466: 5326: 5142: 4819: 4647: 4373: 4260: 4107: 3843: 3634: 3451: 3413: 3380: 3211: 3191: 3142: 3122: 2945: 2925: 2815: 2666: 2487: 2393: 2239: 2042: 1850: 1702: 1521: 1200: 1098: 106: 8463: 7235:which require three-space in which to propagate. 2247:which may be written in spherical coordinates as 1386:frame, and vice versa. Thus, gravity acts like a 10117: 9083:Mercury's perihelion, from Leverrier to Einstein 5367:and Newton's law of gravity is plotted in black. 2900: 1423:regarded as forces. The very first solutions of 8824:. New York: McGraw-Hill Book Company. pp.  8312: 8310: 8308: 7287:, causing the orbits to gradually lose energy. 922:, the points of closest and farthest distance. 8943: 8765: 8753: 4648:{\displaystyle V(r)={\frac {mc^{2}}{2}}\left.} 4272:and the second corresponding to the repulsive 965:joining a planet and the Sun sweeps out equal 9275: 8718: 3851:can be rewritten using the definition of the 2690:. The Christoffel symbol depends only on the 2403:This formula is the natural extension of the 2075:, which defines the geometry of the space in 1047:, which states that the force between a mass 1012:were the first to call them "Kepler's laws". 749: 8876:Japanese Journal of Astronomy and Geophysics 8305: 7283:, two bodies orbiting one another will emit 5487:equal to the Newtonian gravitational force: 7177: 1522:{\displaystyle ds^{2}=dx^{2}+dy^{2}+dz^{2}} 879: 9282: 9268: 9189:. New York: John Wiley and Sons. pp.  8714: 8712: 8547: 7268: 5993:are not possible. For massless particles, 2816:{\displaystyle r_{s}={\frac {2GM}{c^{2}}}} 1182:, which points along the line of apsides. 756: 742: 9207: 9078: 8787: 8664: 8612: 8492: 8414: 8333: 8316: 4490:can be re-written in terms of the length 3622: 2734: 2682:parametrizes the particle's path through 2471: 2428: 2377: 2334: 2291: 2264: 2175: 2148: 2026: 2003: 1996: 1967: 1960: 1937: 1930: 1900: 1834: 1791: 1742:), the Euclidean distance can be written 1686: 1645: 1604: 1189:in the late 18th century, and refined by 926:The Kepler problem derives its name from 832:Schwarzschild solution; the motion is a 776:) is the determination of the motion and 9177: 8870: 8842: 8648: 8636: 7818:The rate of period decrease is given by 7168: 6032: 5335: 4450: 2904: 2757:. It is characterized by a length scale 1447:, which states that the square distance 1321: 1155: 918:. The ends of the diameter indicate the 897: 809:field equations governing this curvature 9056: 8927:The Variational Principles of Mechanics 8921: 8709: 6677:and the definition of the length-scale 4428:values, giving a critical inner radius 3388:where, for brevity, two length-scales, 3192:{\textstyle h=r\times v={L \over \mu }} 1329:'s 1919 measurements of the bending of 1308:Einstein's theory of general relativity 1110:is the distance between the masses and 1099:{\displaystyle F=G{\frac {Mm}{r^{2}}},} 823:. This solution pertains when the mass 10118: 9153: 8816:Adler, R; Bazin M; Schiffer M (1965). 8759: 8624: 7188:Parameterized post-Newtonian formalism 6041:, a particle follows the same perfect 1296:in his theory. And in another attempt 815:and therefore difficult to solve in a 770:two-body problem in general relativity 10126:Exact solutions in general relativity 9263: 9101: 9034: 8774:. In F.A. Rasio; I.H. Stairs (eds.). 8704:Kopeikin, Efroimsky & Kaplan 2011 8601:Kopeikin, Efroimsky & Kaplan 2011 6681:. Substituting the definition of the 2893:(where the ratio is roughly 50%) and 2727:goes to zero while holding its total 1141: 890:Newton's law of universal gravitation 874: 9123: 9016:. Oxford University Press. pp.  9004: 8588: 8576: 8254:Newton's theorem of revolving orbits 7290:The formulae describing the loss of 4417:) coordinates but the change in the 2511: 1256:that was slightly different from 2. 9854:Tolman–Oppenheimer–Volkoff equation 9807:Friedmann–LemaĂźtre–Robertson–Walker 8780:Astronomical Society of the Pacific 8277:Feynman Lectures on Physics vol. II 4447:Circular orbits and their stability 2953:is given by the equation of motion 2885:is roughly 4 parts in a million. A 13: 8820:Introduction to General Relativity 5699: 5696: 5693: 5690: 5687: 5633: 5630: 5627: 5624: 5621: 5287: 5284: 5281: 5278: 5275: 5223: 5220: 5217: 5214: 5211: 5125: 5122: 5119: 5116: 5113: 4990: 4987: 4984: 4981: 4978: 4871: 4868: 4865: 4862: 4859: 3537: 3152:specific relative angular momentum 2768:, which is defined by the formula 2587: 1314:Introduction to general relativity 780:of two bodies as described by the 67: 14: 10137: 9624:Hamilton–Jacobi–Einstein equation 9237: 9160:The Genesis of General Relativity 7165:Beyond the Schwarzschild solution 3645:Effective radial potential energy 886:Kepler's laws of planetary motion 10102: 10101: 8220: 8206: 8187: 8160: 5371:Substituting the definitions of 723: 722: 709: 39: 8808: 8642: 8286:Wheeler–Feynman absorber theory 7254:Modern computational approaches 6029:Precession of elliptical orbits 5976:. Circular orbits smaller than 4421:of the classical closed orbit. 2856:of the Earth is roughly 9  1553:coordinates of two points in a 1349:Around 1904–1905, the works of 1201:Anomalous precession of Mercury 969:during equal intervals of time. 954:with the Sun at one of the two 9431:Mass–energy equivalence (E=mc) 9289: 9107:Relativity: The General Theory 8949:The Classical Theory of Fields 8541: 8270: 8244:Gravitational two-body problem 7940: 7913: 7411: 7385: 7131: 7119: 7014: 7002: 6926: 6914: 6527: 6501: 5443: 5431: 4518: 4512: 4324: 4312: 4274:"centrifugal" potential energy 4270:gravitational potential energy 4217: 4205: 4134: 4128: 4064: 4052: 3452:{\textstyle b={\frac {Lc}{E}}} 2704:is a constant multiple of the 1683: 1665: 1642: 1624: 1601: 1583: 20:gravitational two-body problem 1: 8953:Course of Theoretical Physics 8511:10.1103/PhysRevLett.96.111102 8433:10.1103/PhysRevLett.96.111101 8352:10.1103/PhysRevLett.95.121101 8298: 8240:Center of mass (relativistic) 6974:to give the precession angle 5150:which are obtained using the 3414:{\textstyle a={\frac {h}{c}}} 2901:Orbits about the central mass 1726:to make a perfectly accurate 774:relativistic two-body problem 9087:. Oxford: University Press. 8182:(blue curve) almost exactly. 7210:post-Newtonian approximation 4443:length-scale defined above. 2113:special theory of relativity 1363:special theory of relativity 1215:discovered that the orbital 1045:law of universal gravitation 906:orbiting a much larger mass 7: 9446:Relativistic Doppler effect 8282:LiĂ©nard–Wiechert potentials 8199: 5860:At the other extreme, when 4385:is the semi-major axis and 1555:Cartesian coordinate system 1207:Tests of general relativity 220:Gravitational time dilation 10: 10142: 9917:In computational physics: 9441:Relativity of simultaneity 8754:Landau & Lifshitz 1975 7272: 7257: 7181: 6478:Multiplying by the period 4389:is the eccentricity. Here 2738: 2515: 1416:pseudo-Riemannian geometry 1311: 1204: 1145: 883: 340:Mathisson–Papapetrou–Dixon 181:Pseudo-Riemannian manifold 17: 10099: 9931: 9796: 9768: 9754:Lense–Thirring precession 9637: 9586: 9548: 9527: 9516: 9474: 9418: 9402: 9344: 9336:Doubly special relativity 9308: 9297: 9254:Reflections on Relativity 9185:Gravitation and Cosmology 9079:Roseveare, N. T. (1982). 8907:. John Wiley & Sons. 8849:The Meaning of Relativity 2745:An exact solution to the 2119:showed that the distance 2050:where the nine functions 1341:led to the acceptance of 1180:Laplace–Runge–Lenz vector 1152:Laplace–Runge–Lenz vector 1031:produces an acceleration 846:famously used as evidence 9614:Post-Newtonian formalism 9604:Einstein field equations 9540:Mathematical formulation 9364:Hyperbolic orthogonality 8683:10.1103/PhysRevD.55.4723 8264: 7240:post-Newtonian expansion 7184:Post-Newtonian expansion 7178:Post-Newtonian expansion 6037:In the non-relativistic 5938:is always greater than 3 5393:orbiting a body of mass 5365:centripetal acceleration 4486:The effective potential 2747:Einstein field equations 2506:Einstein field equations 1055:is given by the formula 1015:Nearly a century later, 980:of a planet is directly 880:Classical Kepler problem 854:post-Newtonian expansion 848:for general relativity. 345:Hamilton–Jacobi–Einstein 325:Einstein field equations 148:Mathematical formulation 18:Not to be confused with 9325:Galilean transformation 9316:Principle of relativity 8947:; Lifshitz, EM (1975). 8741:10.1103/PhysRev.131.435 8481:Physical Review Letters 8403:Physical Review Letters 8322:Physical Review Letters 8290:Gravitoelectromagnetism 8259:Schwarzschild geodesics 7285:gravitational radiation 7275:Gravitational radiation 7269:Gravitational radiation 6045:(red orbit) eternally. 5400:The following equation 2933:about the central mass 2741:Schwarzschild geodesics 2721:ultrarelativistic limit 2674:where Γ represents the 2518:Schwarzschild geodesics 858:gravitational radiation 802:gravitational radiation 9410:Lorentz transformation 8284:which are used in the 8132: 7810: 7546: 7174: 7156: 7065: 6968: 6872: 6655: 6472: 6365: 6181: 6066: 5921: 5852: 5567: 5547: 5468: 5368: 5328: 5144: 4821: 4649: 4483: 4375: 4262: 4109: 3845: 3636: 3453: 3415: 3382: 3213: 3193: 3144: 3124: 2947: 2927: 2910: 2829:gravitational constant 2817: 2735:Schwarzschild solution 2668: 2489: 2395: 2241: 2044: 1852: 1704: 1523: 1346: 1166: 1116:gravitational constant 1100: 1035:given by the equation 923: 821:Schwarzschild solution 215:Gravitational redshift 108: 9878:Weyl−Lewis−Papapetrou 9619:Raychaudhuri equation 9558:Equivalence principle 9158:. In Renn, J. (ed.). 8133: 7811: 7547: 7172: 7157: 7066: 6969: 6873: 6656: 6473: 6366: 6182: 6036: 5922: 5853: 5568: 5548: 5469: 5339: 5329: 5187:is much greater than 5145: 4822: 4650: 4454: 4419:argument of periapsis 4376: 4280:. As shown below and 4263: 4110: 3846: 3637: 3454: 3416: 3383: 3214: 3194: 3145: 3125: 2948: 2928: 2908: 2818: 2669: 2490: 2396: 2242: 2045: 1853: 1705: 1524: 1443:, triangles obey the 1383:equivalence principle 1325: 1159: 1101: 914:is much greater than 901: 503:Weyl−Lewis−Papapetrou 458:Kerr–Newman–de Sitter 278:Einstein–Rosen bridge 210:Gravitational lensing 166:Equivalence principle 109: 9919:Numerical relativity 9760:pulsar timing arrays 9040:Theory of Relativity 8776:Binary Radio Pulsars 7822: 7576: 7558:orbital eccentricity 7302: 7260:Numerical relativity 7095: 6978: 6895: 6695: 6683:Schwarzschild radius 6486: 6381: 6191: 6084: 5875: 5584: 5566:{\displaystyle \mu } 5557: 5491: 5404: 5198: 4846: 4661: 4506: 4288: 4122: 3865: 3853:Schwarzschild radius 3653: 3463: 3425: 3392: 3227: 3212:{\displaystyle \mu } 3203: 3158: 3134: 2957: 2937: 2917: 2772: 2766:Schwarzschild radius 2751:Schwarzschild metric 2539: 2415: 2251: 2135: 1868: 1746: 1561: 1455: 1278:Carl Friedrich Gauss 1274:Wilhelm Eduard Weber 1187:Pierre-Simon Laplace 1130:is much larger than 1059: 1021:three laws of motion 838:anomalous precession 433:Einstein–Rosen waves 159:Fundamental concepts 48: 9811:Friedmann equations 9705:Hulse–Taylor binary 9667:Gravitational waves 9563:Riemannian geometry 9389:Proper acceleration 9374:Maxwell's equations 9320:Galilean relativity 9154:Walter, S. (2007). 8888:1931AOTok..31...67H 8798:2005ASPC..328...25W 8756:, pp. 356–357. 8733:1963PhRv..131..435P 8675:1997PhRvD..55.4723M 8579:, pp. 253–256. 8503:2006PhRvL..96k1102B 8425:2006PhRvL..96k1101C 8344:2005PhRvL..95l1101P 8147:is orbital period. 7673: 7658: 7384: 7369: 7248:effective potential 6661:where we have used 6650: 6563: 6438: 6377:yields the formula 6345: 6316: 6258: 6208: 6101: 5929:quadratic solutions 5829: 5777: 5709: 5643: 5601: 5539: 5461: 5421: 5154:. The inner radius 5066: 4947: 4117:effective potential 2603: 2526:Christoffel symbols 2405:Pythagorean theorem 2077:Riemannian geometry 1445:Pythagorean theorem 1425:his field equations 1412:Pythagorean theorem 1019:had formulated his 778:gravitational field 387:Kaluza–Klein theory 273:Minkowski spacetime 225:Gravitational waves 9860:Reissner–Nordström 9778:Brans–Dicke theory 9609:Linearized gravity 9436:Length contraction 9354:Frame of reference 9331:Special relativity 9131:General Relativity 8999:Gravitation (book) 8180:general relativity 8128: 7806: 7659: 7644: 7542: 7370: 7355: 7281:general relativity 7225:Lambert W function 7175: 7152: 7061: 6964: 6868: 6651: 6636: 6549: 6468: 6424: 6361: 6331: 6302: 6244: 6194: 6177: 6087: 6067: 6047:General relativity 5931:above ensure that 5917: 5848: 5815: 5763: 5681: 5615: 5587: 5563: 5543: 5525: 5464: 5447: 5407: 5369: 5324: 5322: 5140: 5138: 5052: 4933: 4817: 4645: 4484: 4397:the change in the 4371: 4278:general relativity 4258: 4105: 3841: 3632: 3449: 3411: 3378: 3209: 3189: 3140: 3120: 2943: 2923: 2911: 2844:special relativity 2813: 2676:Christoffel symbol 2664: 2586: 2485: 2409:general relativity 2391: 2237: 2040: 1848: 1700: 1519: 1441:Euclidean geometry 1408:Euclidean geometry 1404:special relativity 1347: 1343:general relativity 1318:General relativity 1246:inverse-square law 1175:apsidal precession 1167: 1148:Apsidal precession 1142:Apsidal precession 1096: 1027:applied to a mass 1010:Émilie du ChĂątelet 924: 875:Historical context 869:binary black holes 786:general relativity 716:Physics portal 488:Oppenheimer–Snyder 428:Reissner–Nordström 320:Linearized gravity 268:Spacetime diagrams 171:Special relativity 104: 33:General relativity 10113: 10112: 9927: 9926: 9906:OzsvĂĄth–SchĂŒcking 9512: 9511: 9494:Minkowski diagram 9451:Thomas precession 9394:Relativistic mass 9228:978-1-114-28944-4 9200:978-0-471-92567-5 9146:978-0-226-87032-8 9116:978-0-7204-0066-3 9071:978-0-387-10090-6 9049:978-0-486-64152-2 8992:978-0-7167-0344-0 8962:978-0-08-018176-9 8936:978-0-486-65067-8 8914:978-3-527-63457-6 8863:978-0-691-02352-6 8835:978-0-07-000420-7 8103: 8061: 8038: 8017: 7857: 7789: 7768: 7699: 7611: 7525: 7502: 7481: 7330: 7150: 7059: 6930: 6884:and eccentricity 6866: 6795: 6752: 6634: 6580: 6455: 6359: 6357: 6291: 6278: 6260: 6251: 6172: 6152: 6113: 5898: 5885: 5846: 5793: 5751: 5711: 5644: 5517: 5485:centrifugal force 5462: 5414: 5308: 5263: 5152:quadratic formula 5131: 5080: 5078: 5025: 4961: 4959: 4906: 4731: 4691: 4635: 4596: 4569: 4544: 4369: 4256: 4194: 4159: 4103: 4041: 4006: 3967: 3954: 3904: 3876: 3839: 3800: 3773: 3728: 3679: 3593: 3573: 3546: 3513: 3490: 3447: 3409: 3355: 3321: 3290: 3253: 3187: 3143:{\displaystyle h} 3110: 3063: 3032: 2983: 2946:{\displaystyle M} 2926:{\displaystyle m} 2811: 2678:and the variable 2656: 2629: 2581: 2512:Geodesic equation 1410:, e.g., that the 1392:centrifugal force 1379:Arnold Sommerfeld 1375:Hermann Minkowski 1213:Urbain Le Verrier 1091: 1051:and another mass 766: 765: 399: 398: 285: 284: 10133: 10105: 10104: 9888:van Stockum dust 9660:Two-body problem 9578:Mach's principle 9525: 9524: 9466:Terrell rotation 9306: 9305: 9284: 9277: 9270: 9261: 9260: 9232: 9204: 9188: 9174: 9172: 9171: 9150: 9134: 9120: 9098: 9086: 9075: 9053: 9031: 9015: 8996: 8966: 8940: 8918: 8899: 8867: 8839: 8823: 8802: 8801: 8791: 8789:astro-ph/0407149 8766:Weisberg, J.M.; 8763: 8757: 8751: 8745: 8744: 8716: 8707: 8701: 8695: 8694: 8668: 8659:(8): 4723–4747. 8646: 8640: 8634: 8628: 8622: 8616: 8610: 8604: 8598: 8592: 8586: 8580: 8574: 8563: 8562: 8545: 8539: 8538: 8496: 8475:Baker, John G.; 8472: 8461: 8460: 8418: 8391: 8380: 8379: 8337: 8318:Pretorius, Frans 8314: 8293: 8274: 8230: 8228:Astronomy portal 8225: 8224: 8223: 8216: 8211: 8210: 8191: 8164: 8137: 8135: 8134: 8129: 8127: 8126: 8125: 8121: 8108: 8104: 8102: 8094: 8093: 8084: 8077: 8073: 8072: 8071: 8062: 8054: 8049: 8048: 8039: 8031: 8018: 8016: 8015: 8014: 8010: 8001: 7997: 7996: 7995: 7974: 7973: 7960: 7959: 7958: 7954: 7938: 7937: 7925: 7924: 7912: 7911: 7902: 7901: 7892: 7891: 7887: 7867: 7862: 7858: 7856: 7848: 7847: 7846: 7833: 7815: 7813: 7812: 7807: 7805: 7801: 7800: 7799: 7790: 7782: 7769: 7767: 7766: 7765: 7760: 7756: 7755: 7754: 7733: 7732: 7728: 7715: 7714: 7701: 7700: 7698: 7697: 7685: 7684: 7675: 7672: 7667: 7657: 7652: 7643: 7642: 7638: 7621: 7616: 7612: 7610: 7602: 7601: 7600: 7587: 7551: 7549: 7548: 7543: 7541: 7537: 7536: 7535: 7526: 7518: 7513: 7512: 7503: 7495: 7482: 7480: 7479: 7478: 7474: 7465: 7461: 7460: 7459: 7438: 7437: 7428: 7427: 7414: 7410: 7409: 7397: 7396: 7383: 7378: 7368: 7363: 7354: 7353: 7340: 7335: 7331: 7329: 7321: 7313: 7296:angular momentum 7161: 7159: 7158: 7153: 7151: 7149: 7145: 7144: 7134: 7108: 7088:of the ellipse. 7070: 7068: 7067: 7062: 7060: 7058: 7057: 7053: 7052: 7051: 7028: 7027: 7017: 6991: 6973: 6971: 6970: 6965: 6963: 6959: 6958: 6957: 6931: 6929: 6909: 6908: 6899: 6877: 6875: 6874: 6869: 6867: 6865: 6864: 6863: 6854: 6853: 6843: 6842: 6841: 6832: 6831: 6822: 6821: 6805: 6800: 6796: 6794: 6793: 6784: 6783: 6782: 6773: 6772: 6759: 6753: 6751: 6750: 6749: 6736: 6735: 6734: 6725: 6724: 6708: 6676: 6660: 6658: 6657: 6652: 6649: 6644: 6635: 6633: 6632: 6631: 6618: 6617: 6616: 6607: 6606: 6590: 6585: 6581: 6579: 6578: 6577: 6564: 6562: 6557: 6544: 6526: 6525: 6513: 6512: 6477: 6475: 6474: 6469: 6467: 6463: 6456: 6454: 6453: 6452: 6439: 6437: 6432: 6419: 6406: 6405: 6393: 6392: 6375:binomial theorem 6370: 6368: 6367: 6362: 6360: 6358: 6356: 6355: 6346: 6344: 6339: 6326: 6318: 6315: 6310: 6298: 6294: 6293: 6292: 6289: 6280: 6279: 6276: 6265: 6261: 6259: 6257: 6252: 6249: 6239: 6238: 6237: 6228: 6227: 6217: 6207: 6202: 6186: 6184: 6183: 6178: 6176: 6175: 6174: 6173: 6170: 6157: 6153: 6151: 6150: 6149: 6136: 6132: 6131: 6121: 6114: 6106: 6100: 6095: 6013: 6012: 6008: 5985: 5984: 5980: 5961: 5960: 5956: 5926: 5924: 5923: 5918: 5916: 5915: 5900: 5899: 5896: 5887: 5886: 5883: 5857: 5855: 5854: 5849: 5847: 5845: 5844: 5843: 5830: 5828: 5823: 5814: 5813: 5803: 5798: 5794: 5792: 5791: 5790: 5776: 5771: 5762: 5756: 5752: 5747: 5746: 5745: 5736: 5735: 5725: 5716: 5712: 5710: 5708: 5703: 5702: 5676: 5675: 5674: 5665: 5664: 5654: 5645: 5642: 5637: 5636: 5614: 5606: 5600: 5595: 5572: 5570: 5569: 5564: 5552: 5550: 5549: 5544: 5538: 5533: 5518: 5516: 5515: 5506: 5495: 5473: 5471: 5470: 5465: 5463: 5460: 5455: 5446: 5426: 5420: 5415: 5412: 5333: 5331: 5330: 5325: 5323: 5319: 5318: 5309: 5301: 5292: 5291: 5290: 5264: 5262: 5261: 5252: 5251: 5250: 5237: 5228: 5227: 5226: 5149: 5147: 5146: 5141: 5139: 5132: 5130: 5129: 5128: 5106: 5105: 5104: 5091: 5086: 5082: 5081: 5079: 5077: 5076: 5067: 5065: 5060: 5047: 5039: 5026: 5024: 5023: 5014: 5013: 5004: 4995: 4994: 4993: 4967: 4963: 4962: 4960: 4958: 4957: 4948: 4946: 4941: 4928: 4920: 4907: 4905: 4904: 4895: 4894: 4885: 4876: 4875: 4874: 4826: 4824: 4823: 4818: 4807: 4803: 4802: 4801: 4792: 4791: 4773: 4772: 4757: 4756: 4747: 4746: 4732: 4730: 4729: 4728: 4715: 4714: 4713: 4700: 4692: 4690: 4682: 4674: 4654: 4652: 4651: 4646: 4641: 4637: 4636: 4634: 4633: 4624: 4623: 4622: 4613: 4612: 4602: 4597: 4595: 4594: 4585: 4584: 4575: 4570: 4565: 4564: 4555: 4545: 4540: 4539: 4538: 4525: 4401:-coordinate in ( 4380: 4378: 4377: 4372: 4370: 4368: 4367: 4363: 4362: 4361: 4338: 4337: 4327: 4301: 4267: 4265: 4264: 4259: 4257: 4255: 4254: 4253: 4241: 4240: 4230: 4229: 4228: 4200: 4195: 4193: 4192: 4191: 4175: 4174: 4165: 4160: 4155: 4144: 4114: 4112: 4111: 4106: 4104: 4102: 4101: 4100: 4088: 4087: 4077: 4076: 4075: 4047: 4042: 4040: 4039: 4038: 4022: 4021: 4012: 4007: 4002: 3991: 3986: 3982: 3981: 3980: 3968: 3960: 3955: 3953: 3952: 3951: 3935: 3934: 3925: 3915: 3914: 3909: 3905: 3903: 3895: 3887: 3877: 3869: 3850: 3848: 3847: 3842: 3840: 3838: 3837: 3828: 3827: 3826: 3817: 3816: 3806: 3801: 3799: 3798: 3789: 3788: 3779: 3774: 3769: 3768: 3767: 3758: 3757: 3747: 3742: 3741: 3729: 3727: 3726: 3725: 3716: 3715: 3705: 3704: 3695: 3690: 3689: 3684: 3680: 3678: 3670: 3662: 3641: 3639: 3638: 3633: 3621: 3620: 3616: 3604: 3600: 3599: 3595: 3594: 3592: 3591: 3579: 3574: 3572: 3571: 3559: 3552: 3548: 3547: 3542: 3541: 3540: 3530: 3514: 3512: 3511: 3499: 3491: 3489: 3488: 3476: 3458: 3456: 3455: 3450: 3448: 3443: 3435: 3420: 3418: 3417: 3412: 3410: 3402: 3387: 3385: 3384: 3379: 3374: 3370: 3369: 3368: 3356: 3354: 3353: 3344: 3343: 3334: 3327: 3323: 3322: 3317: 3316: 3307: 3291: 3289: 3288: 3279: 3278: 3269: 3264: 3263: 3258: 3254: 3252: 3244: 3236: 3218: 3216: 3215: 3210: 3198: 3196: 3195: 3190: 3188: 3180: 3149: 3147: 3146: 3141: 3129: 3127: 3126: 3121: 3116: 3112: 3111: 3109: 3108: 3099: 3098: 3089: 3084: 3083: 3069: 3065: 3064: 3059: 3058: 3049: 3033: 3031: 3030: 3029: 3020: 3019: 3009: 3008: 2999: 2994: 2993: 2988: 2984: 2982: 2974: 2966: 2952: 2950: 2949: 2944: 2932: 2930: 2929: 2924: 2869: 2868: 2864: 2822: 2820: 2819: 2814: 2812: 2810: 2809: 2800: 2789: 2784: 2783: 2686:, its so-called 2673: 2671: 2670: 2665: 2657: 2655: 2647: 2646: 2645: 2632: 2630: 2628: 2620: 2619: 2618: 2605: 2602: 2597: 2582: 2580: 2579: 2578: 2565: 2564: 2563: 2554: 2553: 2543: 2494: 2492: 2491: 2486: 2484: 2483: 2470: 2469: 2457: 2456: 2441: 2440: 2427: 2426: 2400: 2398: 2397: 2392: 2390: 2389: 2370: 2369: 2360: 2359: 2347: 2346: 2333: 2332: 2320: 2319: 2304: 2303: 2290: 2289: 2277: 2276: 2263: 2262: 2246: 2244: 2243: 2238: 2236: 2235: 2220: 2219: 2204: 2203: 2188: 2187: 2174: 2173: 2161: 2160: 2147: 2146: 2049: 2047: 2046: 2041: 2039: 2038: 2025: 2024: 1995: 1994: 1959: 1958: 1929: 1928: 1913: 1912: 1899: 1898: 1883: 1882: 1857: 1855: 1854: 1849: 1847: 1846: 1827: 1826: 1817: 1816: 1804: 1803: 1790: 1789: 1777: 1776: 1761: 1760: 1709: 1707: 1706: 1701: 1699: 1698: 1658: 1657: 1617: 1616: 1576: 1575: 1528: 1526: 1525: 1520: 1518: 1517: 1502: 1501: 1486: 1485: 1470: 1469: 1388:fictitious force 1292:is equal to the 1290:speed of gravity 1282:Bernhard Riemann 1266:speed of gravity 1105: 1103: 1102: 1097: 1092: 1090: 1089: 1080: 1072: 894:Two-body problem 758: 751: 744: 731: 726: 725: 718: 714: 713: 498:van Stockum dust 483:Robertson–Walker 309: 308: 199: 198: 113: 111: 110: 105: 103: 102: 90: 82: 81: 63: 62: 43: 29: 28: 10141: 10140: 10136: 10135: 10134: 10132: 10131: 10130: 10116: 10115: 10114: 10109: 10095: 9923: 9827:BKL singularity 9817:LemaĂźtre–Tolman 9792: 9788:Quantum gravity 9770: 9764: 9750:geodetic effect 9724:(together with 9694:LISA Pathfinder 9633: 9582: 9568:Penrose diagram 9550: 9544: 9519: 9508: 9504:Minkowski space 9470: 9414: 9398: 9346: 9340: 9300: 9293: 9288: 9256:by Kevin Brown. 9240: 9235: 9229: 9201: 9169: 9167: 9147: 9117: 9095: 9072: 9050: 9028: 8993: 8963: 8937: 8915: 8864: 8836: 8811: 8806: 8805: 8764: 8760: 8752: 8748: 8721:Physical Review 8717: 8710: 8702: 8698: 8647: 8643: 8635: 8631: 8623: 8619: 8611: 8607: 8599: 8595: 8587: 8583: 8575: 8566: 8549:Le Verrier, UJJ 8546: 8542: 8477:Centrella, Joan 8473: 8464: 8392: 8383: 8315: 8306: 8301: 8296: 8275: 8271: 8267: 8226: 8221: 8219: 8212: 8205: 8202: 8195: 8192: 8183: 8165: 8146: 8117: 8113: 8109: 8095: 8089: 8085: 8083: 8079: 8078: 8067: 8063: 8053: 8044: 8040: 8030: 8023: 8019: 8006: 8002: 7991: 7987: 7980: 7976: 7975: 7969: 7965: 7961: 7950: 7943: 7939: 7933: 7929: 7920: 7916: 7907: 7903: 7897: 7893: 7883: 7879: 7875: 7868: 7866: 7849: 7842: 7838: 7834: 7832: 7828: 7823: 7820: 7819: 7795: 7791: 7781: 7774: 7770: 7761: 7750: 7746: 7739: 7735: 7734: 7724: 7720: 7716: 7710: 7706: 7702: 7693: 7689: 7680: 7676: 7674: 7668: 7663: 7653: 7648: 7634: 7630: 7626: 7622: 7620: 7603: 7596: 7592: 7588: 7586: 7582: 7577: 7574: 7573: 7531: 7527: 7517: 7508: 7504: 7494: 7487: 7483: 7470: 7466: 7455: 7451: 7444: 7440: 7439: 7433: 7429: 7423: 7419: 7415: 7405: 7401: 7392: 7388: 7379: 7374: 7364: 7359: 7349: 7345: 7341: 7339: 7322: 7314: 7312: 7308: 7303: 7300: 7299: 7277: 7271: 7262: 7256: 7190: 7180: 7167: 7140: 7136: 7135: 7109: 7107: 7096: 7093: 7092: 7081:) is the semi- 7047: 7043: 7036: 7032: 7023: 7019: 7018: 6992: 6990: 6979: 6976: 6975: 6953: 6949: 6942: 6938: 6910: 6904: 6900: 6898: 6896: 6893: 6892: 6888:related by the 6859: 6855: 6849: 6845: 6844: 6837: 6833: 6827: 6823: 6817: 6813: 6806: 6804: 6789: 6785: 6778: 6774: 6768: 6764: 6760: 6758: 6754: 6745: 6741: 6737: 6730: 6726: 6720: 6716: 6709: 6707: 6696: 6693: 6692: 6690: 6674: 6669: 6645: 6640: 6627: 6623: 6619: 6612: 6608: 6602: 6598: 6591: 6589: 6573: 6569: 6565: 6558: 6553: 6545: 6543: 6539: 6521: 6517: 6508: 6504: 6487: 6484: 6483: 6448: 6444: 6440: 6433: 6428: 6420: 6418: 6411: 6407: 6401: 6397: 6388: 6384: 6382: 6379: 6378: 6351: 6347: 6340: 6335: 6327: 6325: 6317: 6311: 6306: 6288: 6284: 6275: 6271: 6270: 6266: 6253: 6248: 6240: 6233: 6229: 6223: 6219: 6218: 6216: 6212: 6203: 6198: 6192: 6189: 6188: 6169: 6165: 6158: 6145: 6141: 6137: 6127: 6123: 6122: 6120: 6116: 6115: 6105: 6096: 6091: 6085: 6082: 6081: 6079: 6031: 6020: 6010: 6006: 6005: 6003: 5992: 5982: 5978: 5977: 5975: 5968: 5958: 5954: 5953: 5951: 5944: 5937: 5911: 5907: 5895: 5891: 5882: 5878: 5876: 5873: 5872: 5870: 5839: 5835: 5831: 5824: 5819: 5809: 5805: 5804: 5802: 5786: 5782: 5778: 5772: 5767: 5761: 5757: 5741: 5737: 5731: 5727: 5726: 5724: 5720: 5704: 5686: 5685: 5677: 5670: 5666: 5660: 5656: 5655: 5653: 5649: 5638: 5620: 5619: 5607: 5605: 5596: 5591: 5585: 5582: 5581: 5558: 5555: 5554: 5534: 5529: 5511: 5507: 5496: 5494: 5492: 5489: 5488: 5482: 5456: 5451: 5427: 5425: 5416: 5411: 5405: 5402: 5401: 5388: 5381: 5361: 5350: 5321: 5320: 5314: 5310: 5300: 5293: 5274: 5273: 5269: 5266: 5265: 5257: 5253: 5246: 5242: 5238: 5236: 5229: 5210: 5209: 5205: 5201: 5199: 5196: 5195: 5193: 5171: 5160: 5137: 5136: 5112: 5111: 5107: 5100: 5096: 5092: 5090: 5072: 5068: 5061: 5056: 5048: 5046: 5038: 5031: 5027: 5019: 5015: 5009: 5005: 5003: 4996: 4977: 4976: 4972: 4969: 4968: 4953: 4949: 4942: 4937: 4929: 4927: 4919: 4912: 4908: 4900: 4896: 4890: 4886: 4884: 4877: 4858: 4857: 4853: 4849: 4847: 4844: 4843: 4841: 4834: 4797: 4793: 4787: 4783: 4768: 4764: 4752: 4748: 4742: 4738: 4737: 4733: 4724: 4720: 4716: 4709: 4705: 4701: 4699: 4683: 4675: 4673: 4662: 4659: 4658: 4629: 4625: 4618: 4614: 4608: 4604: 4603: 4601: 4590: 4586: 4580: 4576: 4574: 4560: 4556: 4554: 4550: 4546: 4534: 4530: 4526: 4524: 4507: 4504: 4503: 4480: 4469: 4449: 4434: 4357: 4353: 4346: 4342: 4333: 4329: 4328: 4302: 4300: 4289: 4286: 4285: 4249: 4245: 4236: 4232: 4231: 4224: 4220: 4201: 4199: 4187: 4183: 4176: 4170: 4166: 4164: 4145: 4143: 4123: 4120: 4119: 4096: 4092: 4083: 4079: 4078: 4071: 4067: 4048: 4046: 4034: 4030: 4023: 4017: 4013: 4011: 3992: 3990: 3976: 3972: 3959: 3947: 3943: 3936: 3930: 3926: 3924: 3923: 3919: 3910: 3896: 3888: 3886: 3882: 3881: 3868: 3866: 3863: 3862: 3860: 3833: 3829: 3822: 3818: 3812: 3808: 3807: 3805: 3794: 3790: 3784: 3780: 3778: 3763: 3759: 3753: 3749: 3748: 3746: 3737: 3733: 3721: 3717: 3711: 3707: 3706: 3700: 3696: 3694: 3685: 3671: 3663: 3661: 3657: 3656: 3654: 3651: 3650: 3647: 3612: 3605: 3587: 3583: 3578: 3567: 3563: 3558: 3557: 3553: 3536: 3535: 3531: 3529: 3522: 3518: 3507: 3503: 3498: 3497: 3493: 3492: 3484: 3480: 3475: 3464: 3461: 3460: 3436: 3434: 3426: 3423: 3422: 3401: 3393: 3390: 3389: 3364: 3360: 3349: 3345: 3339: 3335: 3333: 3332: 3328: 3312: 3308: 3306: 3299: 3295: 3284: 3280: 3274: 3270: 3268: 3259: 3245: 3237: 3235: 3231: 3230: 3228: 3225: 3224: 3204: 3201: 3200: 3179: 3159: 3156: 3155: 3135: 3132: 3131: 3104: 3100: 3094: 3090: 3088: 3079: 3075: 3074: 3070: 3054: 3050: 3048: 3041: 3037: 3025: 3021: 3015: 3011: 3010: 3004: 3000: 2998: 2989: 2975: 2967: 2965: 2961: 2960: 2958: 2955: 2954: 2938: 2935: 2934: 2918: 2915: 2914: 2903: 2880: 2866: 2862: 2861: 2855: 2837: 2805: 2801: 2790: 2788: 2779: 2775: 2773: 2770: 2769: 2764:, known as the 2763: 2743: 2737: 2699: 2648: 2641: 2637: 2633: 2631: 2621: 2614: 2610: 2606: 2604: 2598: 2590: 2574: 2570: 2566: 2559: 2555: 2549: 2545: 2544: 2542: 2540: 2537: 2536: 2528: 2514: 2503: 2479: 2475: 2465: 2461: 2449: 2445: 2436: 2432: 2422: 2418: 2416: 2413: 2412: 2385: 2381: 2365: 2361: 2355: 2351: 2342: 2338: 2328: 2324: 2315: 2311: 2299: 2295: 2285: 2281: 2272: 2268: 2258: 2254: 2252: 2249: 2248: 2231: 2227: 2215: 2211: 2199: 2195: 2183: 2179: 2169: 2165: 2156: 2152: 2142: 2138: 2136: 2133: 2132: 2117:Albert Einstein 2103: 2092: 2085: 2071:constitute the 2070: 2063: 2056: 2034: 2030: 2017: 2013: 1987: 1983: 1951: 1947: 1921: 1917: 1908: 1904: 1891: 1887: 1878: 1874: 1869: 1866: 1865: 1842: 1838: 1822: 1818: 1812: 1808: 1799: 1795: 1785: 1781: 1772: 1768: 1756: 1752: 1747: 1744: 1743: 1694: 1690: 1653: 1649: 1612: 1608: 1571: 1567: 1562: 1559: 1558: 1513: 1509: 1497: 1493: 1481: 1477: 1465: 1461: 1456: 1453: 1452: 1437: 1359:Albert Einstein 1351:Hendrik Lorentz 1320: 1310: 1302:Hendrik Lorentz 1209: 1203: 1191:FĂ©lix Tisserand 1154: 1144: 1085: 1081: 1073: 1071: 1060: 1057: 1056: 990:semi-major axis 928:Johannes Kepler 896: 882: 877: 782:field equations 762: 721: 708: 707: 700: 699: 523: 522: 513: 512: 468:LemaĂźtre–Tolman 413: 412: 401: 400: 392:Quantum gravity 379:Advanced theory 306: 305: 304: 287: 286: 235:Geodetic effect 196: 195: 186: 185: 161: 160: 144: 114: 95: 91: 86: 74: 70: 55: 51: 49: 46: 45: 27: 12: 11: 5: 10139: 10129: 10128: 10111: 10110: 10100: 10097: 10096: 10094: 10093: 10086: 10081: 10076: 10071: 10066: 10061: 10056: 10051: 10046: 10041: 10036: 10031: 10026: 10021: 10016: 10014:Choquet-Bruhat 10011: 10006: 10001: 9996: 9991: 9986: 9981: 9976: 9971: 9966: 9961: 9956: 9951: 9946: 9941: 9935: 9933: 9929: 9928: 9925: 9924: 9922: 9921: 9914: 9913: 9908: 9903: 9896: 9895: 9890: 9885: 9880: 9875: 9866:Axisymmetric: 9863: 9862: 9857: 9851: 9840: 9839: 9834: 9829: 9824: 9819: 9814: 9805:Cosmological: 9802: 9800: 9794: 9793: 9791: 9790: 9785: 9780: 9774: 9772: 9766: 9765: 9763: 9762: 9757: 9746:frame-dragging 9743: 9738: 9733: 9730:Einstein rings 9726:Einstein cross 9719: 9708: 9707: 9702: 9696: 9691: 9686: 9673: 9663: 9662: 9657: 9652: 9647: 9641: 9639: 9635: 9634: 9632: 9631: 9629:Ernst equation 9626: 9621: 9616: 9611: 9606: 9601: 9599:BSSN formalism 9596: 9590: 9588: 9584: 9583: 9581: 9580: 9575: 9570: 9565: 9560: 9554: 9552: 9546: 9545: 9543: 9542: 9537: 9531: 9529: 9522: 9514: 9513: 9510: 9509: 9507: 9506: 9501: 9496: 9491: 9486: 9480: 9478: 9472: 9471: 9469: 9468: 9463: 9458: 9456:Ladder paradox 9453: 9448: 9443: 9438: 9433: 9428: 9422: 9420: 9416: 9415: 9413: 9412: 9406: 9404: 9400: 9399: 9397: 9396: 9391: 9386: 9381: 9376: 9371: 9366: 9361: 9359:Speed of light 9356: 9350: 9348: 9342: 9341: 9339: 9338: 9333: 9328: 9322: 9312: 9310: 9303: 9295: 9294: 9287: 9286: 9279: 9272: 9264: 9258: 9257: 9247: 9239: 9238:External links 9236: 9234: 9233: 9227: 9205: 9199: 9175: 9151: 9145: 9121: 9115: 9099: 9093: 9076: 9070: 9054: 9048: 9032: 9026: 9002: 8991: 8967: 8961: 8941: 8935: 8919: 8913: 8900: 8868: 8862: 8840: 8834: 8812: 8810: 8807: 8804: 8803: 8782:. p. 25. 8758: 8746: 8727:(1): 435–440. 8708: 8696: 8641: 8629: 8617: 8613:Roseveare 1982 8605: 8603:, p. 177. 8593: 8591:, p. 254. 8581: 8564: 8554:Comptes Rendus 8540: 8487:(11): 111102. 8462: 8409:(11): 111101. 8395:Campanelli, M. 8381: 8328:(12): 121101. 8303: 8302: 8300: 8297: 8295: 8294: 8268: 8266: 8263: 8262: 8261: 8256: 8251: 8249:Kepler problem 8246: 8241: 8238: 8236:Binet equation 8232: 8231: 8217: 8214:Physics portal 8201: 8198: 8197: 8196: 8193: 8186: 8184: 8166: 8159: 8155:of the orbit. 8142: 8124: 8120: 8116: 8112: 8107: 8101: 8098: 8092: 8088: 8082: 8076: 8070: 8066: 8060: 8057: 8052: 8047: 8043: 8037: 8034: 8029: 8026: 8022: 8013: 8009: 8005: 8000: 7994: 7990: 7986: 7983: 7979: 7972: 7968: 7964: 7957: 7953: 7949: 7946: 7942: 7936: 7932: 7928: 7923: 7919: 7915: 7910: 7906: 7900: 7896: 7890: 7886: 7882: 7878: 7874: 7871: 7865: 7861: 7855: 7852: 7845: 7841: 7837: 7831: 7827: 7804: 7798: 7794: 7788: 7785: 7780: 7777: 7773: 7764: 7759: 7753: 7749: 7745: 7742: 7738: 7731: 7727: 7723: 7719: 7713: 7709: 7705: 7696: 7692: 7688: 7683: 7679: 7671: 7666: 7662: 7656: 7651: 7647: 7641: 7637: 7633: 7629: 7625: 7619: 7615: 7609: 7606: 7599: 7595: 7591: 7585: 7581: 7566:semimajor axis 7540: 7534: 7530: 7524: 7521: 7516: 7511: 7507: 7501: 7498: 7493: 7490: 7486: 7477: 7473: 7469: 7464: 7458: 7454: 7450: 7447: 7443: 7436: 7432: 7426: 7422: 7418: 7413: 7408: 7404: 7400: 7395: 7391: 7387: 7382: 7377: 7373: 7367: 7362: 7358: 7352: 7348: 7344: 7338: 7334: 7328: 7325: 7320: 7317: 7311: 7307: 7270: 7267: 7255: 7252: 7179: 7176: 7166: 7163: 7148: 7143: 7139: 7133: 7130: 7127: 7124: 7121: 7118: 7115: 7112: 7106: 7103: 7100: 7056: 7050: 7046: 7042: 7039: 7035: 7031: 7026: 7022: 7016: 7013: 7010: 7007: 7004: 7001: 6998: 6995: 6989: 6986: 6983: 6962: 6956: 6952: 6948: 6945: 6941: 6937: 6934: 6928: 6925: 6922: 6919: 6916: 6913: 6907: 6903: 6862: 6858: 6852: 6848: 6840: 6836: 6830: 6826: 6820: 6816: 6812: 6809: 6803: 6799: 6792: 6788: 6781: 6777: 6771: 6767: 6763: 6757: 6748: 6744: 6740: 6733: 6729: 6723: 6719: 6715: 6712: 6706: 6703: 6700: 6688: 6665: 6648: 6643: 6639: 6630: 6626: 6622: 6615: 6611: 6605: 6601: 6597: 6594: 6588: 6584: 6576: 6572: 6568: 6561: 6556: 6552: 6548: 6542: 6538: 6535: 6532: 6529: 6524: 6520: 6516: 6511: 6507: 6503: 6500: 6497: 6494: 6491: 6466: 6462: 6459: 6451: 6447: 6443: 6436: 6431: 6427: 6423: 6417: 6414: 6410: 6404: 6400: 6396: 6391: 6387: 6354: 6350: 6343: 6338: 6334: 6330: 6324: 6321: 6314: 6309: 6305: 6301: 6297: 6287: 6283: 6274: 6269: 6264: 6256: 6247: 6243: 6236: 6232: 6226: 6222: 6215: 6211: 6206: 6201: 6197: 6168: 6164: 6161: 6156: 6148: 6144: 6140: 6135: 6130: 6126: 6119: 6112: 6109: 6104: 6099: 6094: 6090: 6077: 6039:Kepler problem 6030: 6027: 6018: 6001: 5990: 5973: 5966: 5949: 5942: 5935: 5914: 5910: 5906: 5903: 5894: 5890: 5881: 5868: 5842: 5838: 5834: 5827: 5822: 5818: 5812: 5808: 5801: 5797: 5789: 5785: 5781: 5775: 5770: 5766: 5760: 5755: 5750: 5744: 5740: 5734: 5730: 5723: 5719: 5715: 5707: 5701: 5698: 5695: 5692: 5689: 5684: 5680: 5673: 5669: 5663: 5659: 5652: 5648: 5641: 5635: 5632: 5629: 5626: 5623: 5618: 5613: 5610: 5604: 5599: 5594: 5590: 5562: 5542: 5537: 5532: 5528: 5524: 5521: 5514: 5510: 5505: 5502: 5499: 5478: 5459: 5454: 5450: 5445: 5442: 5439: 5436: 5433: 5430: 5424: 5419: 5410: 5386: 5379: 5359: 5348: 5317: 5313: 5307: 5304: 5299: 5296: 5294: 5289: 5286: 5283: 5280: 5277: 5272: 5268: 5267: 5260: 5256: 5249: 5245: 5241: 5235: 5232: 5230: 5225: 5222: 5219: 5216: 5213: 5208: 5204: 5203: 5191: 5178:Kepler problem 5169: 5158: 5135: 5127: 5124: 5121: 5118: 5115: 5110: 5103: 5099: 5095: 5089: 5085: 5075: 5071: 5064: 5059: 5055: 5051: 5045: 5042: 5037: 5034: 5030: 5022: 5018: 5012: 5008: 5002: 4999: 4997: 4992: 4989: 4986: 4983: 4980: 4975: 4971: 4970: 4966: 4956: 4952: 4945: 4940: 4936: 4932: 4926: 4923: 4918: 4915: 4911: 4903: 4899: 4893: 4889: 4883: 4880: 4878: 4873: 4870: 4867: 4864: 4861: 4856: 4852: 4851: 4839: 4832: 4816: 4813: 4810: 4806: 4800: 4796: 4790: 4786: 4782: 4779: 4776: 4771: 4767: 4763: 4760: 4755: 4751: 4745: 4741: 4736: 4727: 4723: 4719: 4712: 4708: 4704: 4698: 4695: 4689: 4686: 4681: 4678: 4672: 4669: 4666: 4644: 4640: 4632: 4628: 4621: 4617: 4611: 4607: 4600: 4593: 4589: 4583: 4579: 4573: 4568: 4563: 4559: 4553: 4549: 4543: 4537: 4533: 4529: 4523: 4520: 4517: 4514: 4511: 4478: 4467: 4448: 4445: 4432: 4366: 4360: 4356: 4352: 4349: 4345: 4341: 4336: 4332: 4326: 4323: 4320: 4317: 4314: 4311: 4308: 4305: 4299: 4296: 4293: 4252: 4248: 4244: 4239: 4235: 4227: 4223: 4219: 4216: 4213: 4210: 4207: 4204: 4198: 4190: 4186: 4182: 4179: 4173: 4169: 4163: 4158: 4154: 4151: 4148: 4142: 4139: 4136: 4133: 4130: 4127: 4099: 4095: 4091: 4086: 4082: 4074: 4070: 4066: 4063: 4060: 4057: 4054: 4051: 4045: 4037: 4033: 4029: 4026: 4020: 4016: 4010: 4005: 4001: 3998: 3995: 3989: 3985: 3979: 3975: 3971: 3966: 3963: 3958: 3950: 3946: 3942: 3939: 3933: 3929: 3922: 3918: 3913: 3908: 3902: 3899: 3894: 3891: 3885: 3880: 3875: 3872: 3858: 3836: 3832: 3825: 3821: 3815: 3811: 3804: 3797: 3793: 3787: 3783: 3777: 3772: 3766: 3762: 3756: 3752: 3745: 3740: 3736: 3732: 3724: 3720: 3714: 3710: 3703: 3699: 3693: 3688: 3683: 3677: 3674: 3669: 3666: 3660: 3646: 3643: 3631: 3628: 3625: 3619: 3615: 3611: 3608: 3603: 3598: 3590: 3586: 3582: 3577: 3570: 3566: 3562: 3556: 3551: 3545: 3539: 3534: 3528: 3525: 3521: 3517: 3510: 3506: 3502: 3496: 3487: 3483: 3479: 3474: 3471: 3468: 3446: 3442: 3439: 3433: 3430: 3408: 3405: 3400: 3397: 3377: 3373: 3367: 3363: 3359: 3352: 3348: 3342: 3338: 3331: 3326: 3320: 3315: 3311: 3305: 3302: 3298: 3294: 3287: 3283: 3277: 3273: 3267: 3262: 3257: 3251: 3248: 3243: 3240: 3234: 3208: 3186: 3183: 3178: 3175: 3172: 3169: 3166: 3163: 3139: 3119: 3115: 3107: 3103: 3097: 3093: 3087: 3082: 3078: 3073: 3068: 3062: 3057: 3053: 3047: 3044: 3040: 3036: 3028: 3024: 3018: 3014: 3007: 3003: 2997: 2992: 2987: 2981: 2978: 2973: 2970: 2964: 2942: 2922: 2902: 2899: 2878: 2853: 2835: 2808: 2804: 2799: 2796: 2793: 2787: 2782: 2778: 2761: 2739:Main article: 2736: 2733: 2697: 2663: 2660: 2654: 2651: 2644: 2640: 2636: 2627: 2624: 2617: 2613: 2609: 2601: 2596: 2593: 2589: 2585: 2577: 2573: 2569: 2562: 2558: 2552: 2548: 2513: 2510: 2499: 2482: 2478: 2474: 2468: 2464: 2460: 2455: 2452: 2448: 2444: 2439: 2435: 2431: 2425: 2421: 2388: 2384: 2380: 2376: 2373: 2368: 2364: 2358: 2354: 2350: 2345: 2341: 2337: 2331: 2327: 2323: 2318: 2314: 2310: 2307: 2302: 2298: 2294: 2288: 2284: 2280: 2275: 2271: 2267: 2261: 2257: 2234: 2230: 2226: 2223: 2218: 2214: 2210: 2207: 2202: 2198: 2194: 2191: 2186: 2182: 2178: 2172: 2168: 2164: 2159: 2155: 2151: 2145: 2141: 2101: 2090: 2083: 2068: 2061: 2054: 2037: 2033: 2029: 2023: 2020: 2016: 2012: 2009: 2006: 2002: 1999: 1993: 1990: 1986: 1982: 1979: 1976: 1973: 1970: 1966: 1963: 1957: 1954: 1950: 1946: 1943: 1940: 1936: 1933: 1927: 1924: 1920: 1916: 1911: 1907: 1903: 1897: 1894: 1890: 1886: 1881: 1877: 1873: 1845: 1841: 1837: 1833: 1830: 1825: 1821: 1815: 1811: 1807: 1802: 1798: 1794: 1788: 1784: 1780: 1775: 1771: 1767: 1764: 1759: 1755: 1751: 1697: 1693: 1689: 1685: 1682: 1679: 1676: 1673: 1670: 1667: 1664: 1661: 1656: 1652: 1648: 1644: 1641: 1638: 1635: 1632: 1629: 1626: 1623: 1620: 1615: 1611: 1607: 1603: 1600: 1597: 1594: 1591: 1588: 1585: 1582: 1579: 1574: 1570: 1566: 1516: 1512: 1508: 1505: 1500: 1496: 1492: 1489: 1484: 1480: 1476: 1473: 1468: 1464: 1460: 1439:In the normal 1436: 1433: 1396:Coriolis force 1371:Henri PoincarĂ© 1367:speed of light 1355:Henri PoincarĂ© 1333:-light by the 1309: 1306: 1294:speed of light 1219:of the planet 1202: 1199: 1143: 1140: 1095: 1088: 1084: 1079: 1076: 1070: 1067: 1064: 994: 993: 978:orbital period 970: 959: 881: 878: 876: 873: 842:planet Mercury 790:Kepler problem 788:. Solving the 764: 763: 761: 760: 753: 746: 738: 735: 734: 733: 732: 719: 702: 701: 698: 697: 690: 685: 680: 675: 670: 665: 660: 655: 650: 645: 640: 635: 630: 625: 620: 615: 610: 605: 600: 595: 590: 585: 580: 575: 570: 565: 560: 555: 550: 545: 540: 535: 530: 524: 520: 519: 518: 515: 514: 511: 510: 505: 500: 495: 490: 485: 480: 475: 470: 465: 460: 455: 450: 445: 440: 435: 430: 425: 414: 408: 407: 406: 403: 402: 397: 396: 395: 394: 389: 381: 380: 376: 375: 374: 373: 371:Post-Newtonian 368: 363: 355: 354: 350: 349: 348: 347: 342: 337: 332: 327: 322: 314: 313: 307: 303: 302: 299: 295: 294: 293: 292: 289: 288: 283: 282: 281: 280: 275: 270: 262: 261: 255: 254: 253: 252: 247: 242: 237: 232: 230:Frame-dragging 227: 222: 217: 212: 207: 205:Kepler problem 197: 193: 192: 191: 188: 187: 184: 183: 178: 173: 168: 162: 158: 157: 156: 153: 152: 151: 150: 145: 143: 142: 137: 132: 126: 124: 116: 115: 101: 98: 94: 89: 85: 80: 77: 73: 69: 66: 61: 58: 54: 44: 36: 35: 24:Kepler problem 9: 6: 4: 3: 2: 10138: 10127: 10124: 10123: 10121: 10108: 10098: 10092: 10091: 10087: 10085: 10082: 10080: 10077: 10075: 10072: 10070: 10067: 10065: 10062: 10060: 10057: 10055: 10052: 10050: 10047: 10045: 10042: 10040: 10037: 10035: 10032: 10030: 10027: 10025: 10022: 10020: 10017: 10015: 10012: 10010: 10007: 10005: 10002: 10000: 9999:Chandrasekhar 9997: 9995: 9992: 9990: 9987: 9985: 9982: 9980: 9977: 9975: 9972: 9970: 9967: 9965: 9962: 9960: 9959:Schwarzschild 9957: 9955: 9952: 9950: 9947: 9945: 9942: 9940: 9937: 9936: 9934: 9930: 9920: 9916: 9915: 9912: 9909: 9907: 9904: 9902: 9898: 9897: 9894: 9891: 9889: 9886: 9884: 9881: 9879: 9876: 9873: 9869: 9865: 9864: 9861: 9858: 9855: 9852: 9850: 9846: 9845:Schwarzschild 9842: 9841: 9838: 9835: 9833: 9830: 9828: 9825: 9823: 9820: 9818: 9815: 9812: 9808: 9804: 9803: 9801: 9799: 9795: 9789: 9786: 9784: 9781: 9779: 9776: 9775: 9773: 9767: 9761: 9758: 9755: 9751: 9747: 9744: 9742: 9741:Shapiro delay 9739: 9737: 9734: 9731: 9727: 9723: 9720: 9717: 9713: 9710: 9709: 9706: 9703: 9700: 9697: 9695: 9692: 9690: 9687: 9685: 9684:collaboration 9681: 9677: 9674: 9672: 9668: 9665: 9664: 9661: 9658: 9656: 9653: 9651: 9650:Event horizon 9648: 9646: 9643: 9642: 9640: 9636: 9630: 9627: 9625: 9622: 9620: 9617: 9615: 9612: 9610: 9607: 9605: 9602: 9600: 9597: 9595: 9594:ADM formalism 9592: 9591: 9589: 9585: 9579: 9576: 9574: 9571: 9569: 9566: 9564: 9561: 9559: 9556: 9555: 9553: 9547: 9541: 9538: 9536: 9533: 9532: 9530: 9526: 9523: 9521: 9515: 9505: 9502: 9500: 9499:Biquaternions 9497: 9495: 9492: 9490: 9487: 9485: 9482: 9481: 9479: 9477: 9473: 9467: 9464: 9462: 9459: 9457: 9454: 9452: 9449: 9447: 9444: 9442: 9439: 9437: 9434: 9432: 9429: 9427: 9426:Time dilation 9424: 9423: 9421: 9417: 9411: 9408: 9407: 9405: 9401: 9395: 9392: 9390: 9387: 9385: 9382: 9380: 9379:Proper length 9377: 9375: 9372: 9370: 9367: 9365: 9362: 9360: 9357: 9355: 9352: 9351: 9349: 9343: 9337: 9334: 9332: 9329: 9326: 9323: 9321: 9317: 9314: 9313: 9311: 9307: 9304: 9302: 9296: 9292: 9285: 9280: 9278: 9273: 9271: 9266: 9265: 9262: 9255: 9251: 9248: 9245: 9242: 9241: 9230: 9224: 9220: 9216: 9215: 9210: 9209:Whittaker, ET 9206: 9202: 9196: 9192: 9187: 9186: 9180: 9176: 9166:on 2009-01-30 9165: 9161: 9157: 9152: 9148: 9142: 9138: 9133: 9132: 9126: 9122: 9118: 9112: 9108: 9104: 9100: 9096: 9094:0-19-858174-2 9090: 9085: 9084: 9077: 9073: 9067: 9063: 9059: 9055: 9051: 9045: 9041: 9037: 9033: 9029: 9027:0-19-520438-7 9023: 9019: 9014: 9013: 9007: 9003: 9000: 8994: 8988: 8984: 8980: 8976: 8972: 8968: 8964: 8958: 8954: 8950: 8946: 8942: 8938: 8932: 8928: 8924: 8920: 8916: 8910: 8906: 8901: 8897: 8893: 8889: 8885: 8881: 8877: 8873: 8869: 8865: 8859: 8855: 8851: 8850: 8845: 8841: 8837: 8831: 8827: 8822: 8821: 8814: 8813: 8799: 8795: 8790: 8785: 8781: 8777: 8773: 8770:(July 2005). 8769: 8762: 8755: 8750: 8742: 8738: 8734: 8730: 8726: 8722: 8715: 8713: 8705: 8700: 8692: 8688: 8684: 8680: 8676: 8672: 8667: 8666:gr-qc/9611008 8662: 8658: 8654: 8653: 8645: 8638: 8637:Weinberg 1972 8633: 8626: 8621: 8614: 8609: 8602: 8597: 8590: 8585: 8578: 8573: 8571: 8569: 8560: 8556: 8555: 8550: 8544: 8536: 8532: 8528: 8524: 8520: 8516: 8512: 8508: 8504: 8500: 8495: 8494:gr-qc/0511103 8490: 8486: 8482: 8478: 8471: 8469: 8467: 8458: 8454: 8450: 8446: 8442: 8438: 8434: 8430: 8426: 8422: 8417: 8416:gr-qc/0511048 8412: 8408: 8404: 8400: 8399:Lousto, C. O. 8396: 8390: 8388: 8386: 8377: 8373: 8369: 8365: 8361: 8357: 8353: 8349: 8345: 8341: 8336: 8335:gr-qc/0507014 8331: 8327: 8323: 8319: 8313: 8311: 8309: 8304: 8291: 8287: 8283: 8278: 8273: 8269: 8260: 8257: 8255: 8252: 8250: 8247: 8245: 8242: 8239: 8237: 8234: 8233: 8229: 8218: 8215: 8209: 8204: 8190: 8185: 8181: 8177: 8174: 8173:binary pulsar 8170: 8163: 8158: 8157: 8156: 8154: 8148: 8145: 8141: 8122: 8118: 8114: 8110: 8105: 8099: 8096: 8090: 8086: 8080: 8074: 8068: 8064: 8058: 8055: 8050: 8045: 8041: 8035: 8032: 8027: 8024: 8020: 8011: 8007: 8003: 7998: 7992: 7988: 7984: 7981: 7977: 7970: 7966: 7962: 7955: 7951: 7947: 7944: 7934: 7930: 7926: 7921: 7917: 7908: 7904: 7898: 7894: 7888: 7884: 7880: 7876: 7872: 7869: 7863: 7859: 7853: 7850: 7843: 7839: 7835: 7829: 7825: 7816: 7802: 7796: 7792: 7786: 7783: 7778: 7775: 7771: 7762: 7757: 7751: 7747: 7743: 7740: 7736: 7729: 7725: 7721: 7717: 7711: 7707: 7703: 7694: 7690: 7686: 7681: 7677: 7669: 7664: 7660: 7654: 7649: 7645: 7639: 7635: 7631: 7627: 7623: 7617: 7613: 7607: 7604: 7597: 7593: 7589: 7583: 7579: 7571: 7567: 7563: 7559: 7555: 7538: 7532: 7528: 7522: 7519: 7514: 7509: 7505: 7499: 7496: 7491: 7488: 7484: 7475: 7471: 7467: 7462: 7456: 7452: 7448: 7445: 7441: 7434: 7430: 7424: 7420: 7416: 7406: 7402: 7398: 7393: 7389: 7380: 7375: 7371: 7365: 7360: 7356: 7350: 7346: 7342: 7336: 7332: 7326: 7323: 7318: 7315: 7309: 7305: 7297: 7293: 7288: 7286: 7282: 7276: 7266: 7261: 7251: 7249: 7244: 7241: 7236: 7234: 7230: 7226: 7222: 7220: 7217: =  7216: 7211: 7206: 7204: 7199: 7195: 7189: 7185: 7171: 7162: 7146: 7141: 7137: 7128: 7125: 7122: 7116: 7113: 7110: 7104: 7101: 7098: 7089: 7087: 7084: 7080: 7076: 7071: 7054: 7048: 7044: 7040: 7037: 7033: 7029: 7024: 7020: 7011: 7008: 7005: 6999: 6996: 6993: 6987: 6984: 6981: 6960: 6954: 6950: 6946: 6943: 6939: 6935: 6932: 6923: 6920: 6917: 6911: 6905: 6901: 6891: 6887: 6883: 6878: 6860: 6856: 6850: 6846: 6838: 6834: 6828: 6824: 6818: 6814: 6810: 6807: 6801: 6797: 6790: 6786: 6779: 6775: 6769: 6765: 6761: 6755: 6746: 6742: 6738: 6731: 6727: 6721: 6717: 6713: 6710: 6704: 6701: 6698: 6687: 6684: 6680: 6672: 6668: 6664: 6646: 6641: 6637: 6628: 6624: 6620: 6613: 6609: 6603: 6599: 6595: 6592: 6586: 6582: 6574: 6570: 6566: 6559: 6554: 6550: 6546: 6540: 6536: 6533: 6530: 6522: 6518: 6514: 6509: 6505: 6498: 6495: 6492: 6489: 6481: 6464: 6460: 6457: 6449: 6445: 6441: 6434: 6429: 6425: 6421: 6415: 6412: 6408: 6402: 6398: 6394: 6389: 6385: 6376: 6371: 6352: 6348: 6341: 6336: 6332: 6328: 6322: 6319: 6312: 6307: 6303: 6299: 6295: 6285: 6281: 6272: 6267: 6262: 6254: 6245: 6241: 6234: 6230: 6224: 6220: 6213: 6209: 6204: 6199: 6195: 6187:which equals 6166: 6162: 6159: 6154: 6146: 6142: 6138: 6133: 6128: 6124: 6117: 6110: 6107: 6102: 6097: 6092: 6088: 6076: 6072: 6064: 6060: 6056: 6052: 6048: 6044: 6040: 6035: 6026: 6024: 6023:photon sphere 6017: 6000: 5996: 5989: 5972: 5965: 5952:lies between 5948: 5941: 5934: 5930: 5912: 5908: 5904: 5901: 5892: 5888: 5879: 5867: 5863: 5858: 5840: 5836: 5832: 5825: 5820: 5816: 5810: 5806: 5799: 5795: 5787: 5783: 5779: 5773: 5768: 5764: 5758: 5753: 5748: 5742: 5738: 5732: 5728: 5721: 5717: 5713: 5705: 5682: 5678: 5671: 5667: 5661: 5657: 5650: 5646: 5639: 5616: 5611: 5608: 5602: 5597: 5592: 5588: 5578: 5576: 5560: 5540: 5535: 5530: 5526: 5522: 5519: 5512: 5508: 5503: 5500: 5497: 5486: 5481: 5477: 5457: 5452: 5448: 5440: 5437: 5434: 5428: 5422: 5417: 5408: 5398: 5396: 5392: 5385: 5378: 5374: 5366: 5358: 5354: 5347: 5343: 5338: 5334: 5315: 5311: 5305: 5302: 5297: 5295: 5270: 5258: 5254: 5247: 5243: 5239: 5233: 5231: 5206: 5190: 5186: 5181: 5179: 5175: 5168: 5164: 5157: 5153: 5133: 5108: 5101: 5097: 5093: 5087: 5083: 5073: 5069: 5062: 5057: 5053: 5049: 5043: 5040: 5035: 5032: 5028: 5020: 5016: 5010: 5006: 5000: 4998: 4973: 4964: 4954: 4950: 4943: 4938: 4934: 4930: 4924: 4921: 4916: 4913: 4909: 4901: 4897: 4891: 4887: 4881: 4879: 4854: 4838: 4831: 4814: 4811: 4808: 4804: 4798: 4794: 4788: 4784: 4780: 4777: 4774: 4769: 4765: 4761: 4758: 4753: 4749: 4743: 4739: 4734: 4725: 4721: 4717: 4710: 4706: 4702: 4696: 4693: 4687: 4684: 4679: 4676: 4670: 4667: 4664: 4655: 4642: 4638: 4630: 4626: 4619: 4615: 4609: 4605: 4598: 4591: 4587: 4581: 4577: 4571: 4566: 4561: 4557: 4551: 4547: 4541: 4535: 4531: 4527: 4521: 4515: 4509: 4501: 4497: 4493: 4489: 4477: 4473: 4466: 4462: 4458: 4453: 4444: 4442: 4438: 4431: 4427: 4422: 4420: 4416: 4412: 4408: 4404: 4400: 4396: 4392: 4388: 4384: 4364: 4358: 4354: 4350: 4347: 4343: 4339: 4334: 4330: 4321: 4318: 4315: 4309: 4306: 4303: 4297: 4294: 4291: 4283: 4279: 4275: 4271: 4250: 4246: 4242: 4237: 4233: 4225: 4221: 4214: 4211: 4208: 4202: 4196: 4188: 4184: 4180: 4177: 4171: 4167: 4161: 4156: 4152: 4149: 4146: 4140: 4137: 4131: 4125: 4118: 4097: 4093: 4089: 4084: 4080: 4072: 4068: 4061: 4058: 4055: 4049: 4043: 4035: 4031: 4027: 4024: 4018: 4014: 4008: 4003: 3999: 3996: 3993: 3987: 3983: 3977: 3973: 3969: 3964: 3961: 3956: 3948: 3944: 3940: 3937: 3931: 3927: 3920: 3916: 3911: 3906: 3900: 3897: 3892: 3889: 3883: 3878: 3873: 3870: 3857: 3854: 3834: 3830: 3823: 3819: 3813: 3809: 3802: 3795: 3791: 3785: 3781: 3775: 3770: 3764: 3760: 3754: 3750: 3743: 3738: 3734: 3730: 3722: 3718: 3712: 3708: 3701: 3697: 3691: 3686: 3681: 3675: 3672: 3667: 3664: 3658: 3642: 3629: 3626: 3623: 3617: 3613: 3609: 3606: 3601: 3596: 3588: 3584: 3580: 3575: 3568: 3564: 3560: 3554: 3549: 3543: 3532: 3526: 3523: 3519: 3515: 3508: 3504: 3500: 3494: 3485: 3481: 3477: 3472: 3469: 3466: 3444: 3440: 3437: 3431: 3428: 3406: 3403: 3398: 3395: 3375: 3371: 3365: 3361: 3357: 3350: 3346: 3340: 3336: 3329: 3324: 3318: 3313: 3309: 3303: 3300: 3296: 3292: 3285: 3281: 3275: 3271: 3265: 3260: 3255: 3249: 3246: 3241: 3238: 3232: 3222: 3206: 3184: 3181: 3176: 3173: 3170: 3167: 3164: 3161: 3153: 3137: 3117: 3113: 3105: 3101: 3095: 3091: 3085: 3080: 3076: 3071: 3066: 3060: 3055: 3051: 3045: 3042: 3038: 3034: 3026: 3022: 3016: 3012: 3005: 3001: 2995: 2990: 2985: 2979: 2976: 2971: 2968: 2962: 2940: 2920: 2907: 2898: 2896: 2892: 2891:neutron stars 2888: 2884: 2877: 2873: 2859: 2852: 2847: 2845: 2841: 2834: 2830: 2826: 2806: 2802: 2797: 2794: 2791: 2785: 2780: 2776: 2767: 2760: 2756: 2752: 2748: 2742: 2732: 2730: 2726: 2722: 2718: 2714: 2710: 2707: 2703: 2696: 2693: 2692:metric tensor 2689: 2685: 2681: 2677: 2661: 2658: 2652: 2649: 2642: 2638: 2634: 2625: 2622: 2615: 2611: 2607: 2599: 2594: 2591: 2583: 2575: 2571: 2567: 2560: 2556: 2550: 2546: 2533: 2527: 2523: 2519: 2509: 2507: 2502: 2498: 2480: 2476: 2472: 2466: 2462: 2458: 2453: 2450: 2446: 2442: 2437: 2433: 2429: 2423: 2419: 2410: 2406: 2401: 2386: 2382: 2378: 2374: 2371: 2366: 2362: 2356: 2352: 2348: 2343: 2339: 2335: 2329: 2325: 2321: 2316: 2312: 2308: 2305: 2300: 2296: 2292: 2286: 2282: 2278: 2273: 2269: 2265: 2259: 2255: 2232: 2228: 2224: 2221: 2216: 2212: 2208: 2205: 2200: 2196: 2192: 2189: 2184: 2180: 2176: 2170: 2166: 2162: 2157: 2153: 2149: 2143: 2139: 2130: 2126: 2122: 2118: 2114: 2109: 2107: 2100: 2096: 2089: 2082: 2078: 2074: 2073:metric tensor 2067: 2060: 2053: 2035: 2031: 2027: 2021: 2018: 2014: 2010: 2007: 2004: 2000: 1997: 1991: 1988: 1984: 1980: 1977: 1974: 1971: 1968: 1964: 1961: 1955: 1952: 1948: 1944: 1941: 1938: 1934: 1931: 1925: 1922: 1918: 1914: 1909: 1905: 1901: 1895: 1892: 1888: 1884: 1879: 1875: 1871: 1864: 1858: 1843: 1839: 1835: 1831: 1828: 1823: 1819: 1813: 1809: 1805: 1800: 1796: 1792: 1786: 1782: 1778: 1773: 1769: 1765: 1762: 1757: 1753: 1749: 1741: 1737: 1733: 1729: 1725: 1721: 1717: 1713: 1695: 1691: 1687: 1680: 1677: 1674: 1671: 1668: 1662: 1659: 1654: 1650: 1646: 1639: 1636: 1633: 1630: 1627: 1621: 1618: 1613: 1609: 1605: 1598: 1595: 1592: 1589: 1586: 1580: 1577: 1572: 1568: 1564: 1556: 1552: 1548: 1544: 1540: 1536: 1532: 1514: 1510: 1506: 1503: 1498: 1494: 1490: 1487: 1482: 1478: 1474: 1471: 1466: 1462: 1458: 1450: 1446: 1442: 1432: 1430: 1426: 1421: 1417: 1413: 1409: 1405: 1401: 1400:inertial mass 1397: 1393: 1389: 1384: 1380: 1376: 1372: 1368: 1364: 1360: 1356: 1352: 1344: 1340: 1336: 1332: 1328: 1324: 1319: 1315: 1305: 1303: 1299: 1295: 1291: 1287: 1283: 1279: 1275: 1269: 1267: 1262: 1257: 1255: 1251: 1247: 1244: 1240: 1236: 1231: 1227: 1222: 1218: 1214: 1208: 1198: 1196: 1192: 1188: 1183: 1181: 1176: 1172: 1163: 1158: 1153: 1149: 1139: 1137: 1133: 1129: 1125: 1121: 1117: 1113: 1109: 1093: 1086: 1082: 1077: 1074: 1068: 1065: 1062: 1054: 1050: 1046: 1042: 1038: 1034: 1030: 1026: 1022: 1018: 1013: 1011: 1007: 1003: 999: 992:of its orbit. 991: 987: 983: 979: 975: 971: 968: 964: 960: 957: 953: 949: 945: 941: 940: 939: 937: 936:Kepler's laws 933: 929: 921: 917: 913: 909: 905: 900: 895: 891: 887: 872: 870: 865: 863: 859: 855: 849: 847: 843: 839: 835: 830: 826: 822: 818: 814: 810: 805: 803: 799: 795: 791: 787: 783: 779: 775: 771: 759: 754: 752: 747: 745: 740: 739: 737: 736: 730: 720: 717: 712: 706: 705: 704: 703: 696: 695: 691: 689: 686: 684: 681: 679: 676: 674: 671: 669: 666: 664: 661: 659: 656: 654: 651: 649: 646: 644: 641: 639: 636: 634: 633:Chandrasekhar 631: 629: 626: 624: 621: 619: 616: 614: 611: 609: 606: 604: 601: 599: 596: 594: 591: 589: 586: 584: 581: 579: 576: 574: 571: 569: 566: 564: 561: 559: 556: 554: 551: 549: 548:Schwarzschild 546: 544: 541: 539: 536: 534: 531: 529: 526: 525: 517: 516: 509: 508:Hartle–Thorne 506: 504: 501: 499: 496: 494: 491: 489: 486: 484: 481: 479: 476: 474: 471: 469: 466: 464: 461: 459: 456: 454: 451: 449: 446: 444: 441: 439: 436: 434: 431: 429: 426: 423: 419: 418:Schwarzschild 416: 415: 411: 405: 404: 393: 390: 388: 385: 384: 383: 382: 378: 377: 372: 369: 367: 364: 362: 359: 358: 357: 356: 352: 351: 346: 343: 341: 338: 336: 333: 331: 328: 326: 323: 321: 318: 317: 316: 315: 311: 310: 300: 297: 296: 291: 290: 279: 276: 274: 271: 269: 266: 265: 264: 263: 260: 257: 256: 251: 248: 246: 243: 241: 240:Event horizon 238: 236: 233: 231: 228: 226: 223: 221: 218: 216: 213: 211: 208: 206: 203: 202: 201: 200: 190: 189: 182: 179: 177: 174: 172: 169: 167: 164: 163: 155: 154: 149: 146: 141: 138: 136: 133: 131: 128: 127: 125: 123: 120: 119: 118: 117: 99: 96: 92: 87: 83: 78: 75: 71: 64: 59: 56: 52: 42: 38: 37: 34: 31: 30: 25: 21: 16: 10089: 9783:Kaluza–Klein 9659: 9535:Introduction 9461:Twin paradox 9253: 9212: 9184: 9168:. Retrieved 9164:the original 9159: 9130: 9106: 9082: 9061: 9039: 9011: 8982: 8948: 8926: 8904: 8879: 8875: 8847: 8819: 8809:Bibliography 8775: 8768:Taylor, J.H. 8761: 8749: 8724: 8720: 8699: 8656: 8652:Phys. Rev. D 8650: 8644: 8632: 8620: 8608: 8596: 8584: 8558: 8552: 8543: 8484: 8480: 8406: 8402: 8325: 8321: 8276: 8272: 8176:PSR B1913+16 8152: 8149: 8143: 8139: 7817: 7561: 7553: 7289: 7278: 7263: 7245: 7237: 7231:rather than 7218: 7214: 7207: 7203:binary stars 7197: 7193: 7191: 7090: 7085: 7083:latus rectum 7078: 7074: 7072: 6885: 6881: 6879: 6685: 6678: 6670: 6666: 6662: 6479: 6372: 6074: 6070: 6068: 6015: 5998: 5994: 5987: 5970: 5963: 5946: 5939: 5932: 5865: 5864:approaches 3 5861: 5859: 5579: 5575:reduced mass 5479: 5475: 5399: 5394: 5390: 5383: 5376: 5372: 5370: 5356: 5352: 5345: 5341: 5188: 5184: 5182: 5173: 5166: 5162: 5155: 4836: 4829: 4656: 4499: 4495: 4491: 4487: 4485: 4475: 4471: 4464: 4460: 4456: 4440: 4436: 4429: 4425: 4423: 4414: 4410: 4406: 4402: 4398: 4394: 4390: 4386: 4382: 3855: 3648: 3221:reduced mass 2912: 2882: 2875: 2850: 2848: 2839: 2832: 2824: 2758: 2754: 2744: 2724: 2716: 2708: 2701: 2694: 2679: 2529: 2500: 2496: 2402: 2128: 2120: 2110: 2105: 2098: 2094: 2087: 2080: 2065: 2058: 2051: 1862: 1859: 1739: 1735: 1731: 1719: 1715: 1711: 1550: 1546: 1542: 1538: 1534: 1530: 1448: 1438: 1428: 1390:such as the 1357:and finally 1348: 1286:Maurice LĂ©vy 1270: 1258: 1210: 1194: 1184: 1170: 1168: 1135: 1131: 1127: 1123: 1119: 1111: 1107: 1052: 1048: 1040: 1036: 1032: 1028: 1024: 1017:Isaac Newton 1014: 995: 982:proportional 925: 915: 911: 907: 903: 866: 862:PSR B1913+16 850: 828: 824: 806: 798:binary stars 773: 769: 767: 693: 653:Raychaudhuri 204: 122:Introduction 15: 9872:Kerr–Newman 9843:Spherical: 9712:Other tests 9655:Singularity 9587:Formulation 9549:Fundamental 9403:Formulation 9384:Proper time 9345:Fundamental 9179:Weinberg, S 8983:Gravitation 8979:Wheeler, JA 8872:Hagihara, Y 8844:Einstein, A 8706:, p. . 8639:, p. . 8627:, p. . 8625:Walter 2007 8615:, p. . 2895:black holes 2887:white dwarf 2706:proper time 1377:(1907) and 1298:Paul Gerber 932:Tycho Brahe 817:closed form 668:van Stockum 598:Oppenheimer 453:Kerr–Newman 245:Singularity 10024:Zel'dovich 9932:Scientists 9911:Alcubierre 9718:of Mercury 9716:precession 9645:Black hole 9528:Background 9520:relativity 9489:World line 9484:Light cone 9309:Background 9301:relativity 9291:Relativity 9170:2008-07-26 9058:Rindler, W 8971:Misner, CW 8945:Landau, LD 8923:Lanczos, C 8882:: 67–176. 8561:: 379–383. 8299:References 8169:periastron 7570:elliptical 7273:See also: 7258:See also: 7182:See also: 5945:, whereas 2688:world line 2684:space-time 2516:See also: 2125:space-time 1724:impossible 1420:space-time 1345:worldwide. 1312:See also: 1230:arcseconds 1226:arcseconds 1217:precession 1205:See also: 1146:See also: 1002:Copernicus 884:See also: 521:Scientists 353:Formalisms 301:Formalisms 250:Black hole 176:World line 9994:Robertson 9979:Friedmann 9974:Eddington 9964:de Sitter 9798:Solutions 9676:detectors 9671:astronomy 9638:Phenomena 9573:Geodesics 9476:Spacetime 9419:Phenomena 9244:Animation 9103:Synge, JL 8975:Thorne, K 8896:0368-346X 8691:119083668 8589:Pais 1982 8577:Pais 1982 8519:0031-9007 8441:0031-9007 8360:0031-9007 8111:− 8100:π 7985:− 7945:− 7873:π 7826:− 7744:− 7580:− 7449:− 7306:− 7233:gravitons 7114:π 7105:≈ 7102:φ 7099:δ 7041:− 6997:π 6988:≈ 6985:φ 6982:δ 6947:− 6811:π 6714:π 6705:≈ 6702:φ 6699:δ 6596:π 6537:π 6531:≈ 6519:ω 6515:− 6510:φ 6506:ω 6493:φ 6490:δ 6461:⋯ 6416:− 6403:φ 6399:ω 6386:ω 6323:− 6308:φ 6304:ω 6282:− 6196:ω 6089:ω 5902:≈ 5889:≈ 5603:≈ 5593:φ 5589:ω 5561:μ 5531:φ 5527:ω 5523:μ 5453:φ 5449:ω 5298:≈ 5234:≈ 5044:− 5036:− 4925:− 4759:− 4697:− 4671:− 4599:− 4552:− 4351:− 4307:π 4298:≈ 4295:φ 4292:δ 4282:elsewhere 4243:μ 4197:− 4181:μ 4141:− 4090:μ 4028:μ 4009:− 3957:− 3901:τ 3776:− 3731:− 3676:τ 3607:− 3527:− 3516:− 3473:∫ 3467:φ 3304:− 3293:− 3250:φ 3207:μ 3185:μ 3171:× 3046:− 3035:− 2980:τ 2643:λ 2616:ν 2600:μ 2595:λ 2592:ν 2588:Γ 2561:μ 2532:geodesics 2481:ν 2467:μ 2454:ν 2451:μ 2434:τ 2383:φ 2375:θ 2372:⁡ 2349:− 2340:θ 2322:− 2306:− 2270:τ 2222:− 2206:− 2190:− 2154:τ 1978:⋯ 1840:φ 1832:θ 1829:⁡ 1797:θ 1327:Eddington 1250:power law 1211:In 1859, 946:of every 813:nonlinear 613:Robertson 578:Friedmann 573:Eddington 563:Nordström 553:de Sitter 410:Solutions 335:Geodesics 330:Friedmann 312:Equations 298:Equations 259:Spacetime 194:Phenomena 100:ν 97:μ 88:κ 79:ν 76:μ 68:Λ 60:ν 57:μ 10120:Category 10107:Category 9984:LemaĂźtre 9949:Einstein 9939:PoincarĂ© 9899:Others: 9883:Taub–NUT 9849:interior 9771:theories 9769:Advanced 9736:redshift 9551:concepts 9369:Rapidity 9347:concepts 9211:(1937). 9181:(1972). 9127:(1984). 9125:Wald, RM 9105:(1960). 9060:(1977). 9038:(1958). 9036:Pauli, W 9008:(1982). 9006:Pais, A. 8981:(1973). 8925:(1986). 8846:(1956). 8535:23409406 8527:16605809 8449:16605808 8376:24225193 8368:16197061 8200:See also 7860:⟩ 7830:⟨ 7614:⟩ 7584:⟨ 7333:⟩ 7310:⟨ 7229:dilatons 2522:Geodesic 1728:flat map 1373:(1905), 1254:exponent 1252:with an 1243:Newton's 1006:Voltaire 834:geodesic 729:Category 593:LemaĂźtre 558:Reissner 543:PoincarĂ© 528:Einstein 473:Taub–NUT 438:Wormhole 422:interior 135:Timeline 10049:Hawking 10044:Penrose 10029:Novikov 10009:Wheeler 9954:Hilbert 9944:Lorentz 9901:pp-wave 9722:lensing 9518:General 9299:Special 9250:Excerpt 9191:185–201 9018:253–256 8884:Bibcode 8794:Bibcode 8729:Bibcode 8671:Bibcode 8499:Bibcode 8457:5954627 8421:Bibcode 8340:Bibcode 8171:of the 7568:of the 7564:is the 7556:is the 6890:formula 6055:Mercury 6051:precess 6043:ellipse 6009:⁄ 5981:⁄ 5957:⁄ 5573:is the 3219:is the 3150:is the 2865:⁄ 2827:is the 2749:is the 2731:fixed. 2111:In his 2108:sin Ξ. 2064:, ..., 1394:or the 1339:gravity 1261:Laplace 1221:Mercury 1162:ellipse 1114:is the 998:Ptolemy 988:of the 984:to the 976:of the 952:ellipse 920:apsides 840:of the 648:Hawking 643:Penrose 618:Bardeen 608:Wheeler 538:Hilbert 533:Lorentz 493:pp-wave 130:History 10090:others 10079:Thorne 10069:Misner 10054:Taylor 10039:Geroch 10034:Ehlers 10004:Zwicky 9822:Kasner 9225:  9221:–393. 9197:  9143:  9139:–146. 9113:  9091:  9068:  9046:  9024:  8989:  8959:  8933:  8911:  8894:  8860:  8832:  8828:–193. 8689:  8533:  8525:  8517:  8455:  8447:  8439:  8374:  8366:  8358:  8138:where 7552:where 7292:energy 6691:gives 6014:  5986:  5962:  5553:where 5474:where 4381:where 3130:where 2870:  2823:where 2729:energy 2713:photon 2524:, and 1710:where 1529:where 1239:Vulcan 1106:where 974:square 950:is an 948:planet 892:, and 794:planet 727:  694:others 688:Thorne 678:Newman 658:Taylor 638:Ehlers 623:Walker 588:Zwicky 463:Kasner 10084:Weiss 10064:Bondi 10059:Hulse 9989:Milne 9893:discs 9837:Milne 9832:Gödel 9689:Virgo 9252:from 8997:(See 8856:–97. 8784:arXiv 8687:S2CID 8661:arXiv 8531:S2CID 8489:arXiv 8453:S2CID 8411:arXiv 8372:S2CID 8330:arXiv 8265:Notes 7221:model 7077:(1 − 6290:inner 6277:outer 6250:outer 6171:outer 6078:outer 6059:Venus 6002:inner 5969:and 3 5950:inner 5936:outer 5897:inner 5884:outer 5413:outer 5387:outer 5382:into 5183:When 5170:inner 5159:inner 4840:outer 4833:inner 4433:inner 2086:= 1, 1429:after 967:areas 944:orbit 663:Hulse 603:Gödel 583:Milne 478:Milne 443:Gödel 140:Tests 10019:Kerr 9969:Weyl 9868:Kerr 9728:and 9682:and 9680:LIGO 9223:ISBN 9195:ISBN 9141:ISBN 9111:ISBN 9089:ISBN 9066:ISBN 9044:ISBN 9022:ISBN 8987:ISBN 8957:ISBN 8931:ISBN 8909:ISBN 8892:ISSN 8858:ISBN 8830:ISBN 8523:PMID 8515:ISSN 8445:PMID 8437:ISSN 8364:PMID 8356:ISSN 7560:and 7294:and 7238:The 7186:and 5927:The 5375:and 4835:and 4482:red. 3421:and 3199:and 2872:inch 2097:and 1718:and 1549:and 1537:and 1331:star 1316:and 1150:and 1008:and 1000:and 986:cube 972:The 963:line 956:foci 942:The 867:For 811:are 772:(or 768:The 673:Taub 628:Kerr 568:Weyl 448:Kerr 366:BSSN 10074:Yau 9699:GEO 9219:389 9137:136 8826:177 8737:doi 8725:131 8679:doi 8507:doi 8429:doi 8348:doi 7870:192 6673:= 2 6063:Sun 5357:mcr 4476:mcr 4395:not 4393:is 3861:as 2363:sin 1820:sin 1361:'s 1337:'s 1335:Sun 1235:Sun 1195:not 784:of 683:Yau 361:ADM 22:or 10122:: 9748:/ 9714:: 9669:: 9193:. 9020:. 9001:.) 8977:; 8973:; 8951:. 8890:. 8878:. 8854:92 8792:. 8735:. 8723:. 8711:^ 8685:. 8677:. 8669:. 8657:55 8655:. 8567:^ 8559:49 8557:. 8529:. 8521:. 8513:. 8505:. 8497:. 8485:96 8483:. 8465:^ 8451:. 8443:. 8435:. 8427:. 8419:. 8407:96 8405:. 8397:; 8384:^ 8370:. 8362:. 8354:. 8346:. 8338:. 8326:95 8324:. 8307:^ 8059:96 8056:37 8036:24 8033:73 7624:32 7523:96 7520:37 7500:24 7497:73 7343:32 6057:, 6025:. 6004:= 5833:16 5577:. 5397:. 5351:= 5180:. 4842:: 4502:: 4494:= 4470:= 4413:, 4409:, 4405:, 4391:Ύφ 3154:, 2897:. 2858:mm 2846:. 2698:ΌΜ 2520:, 2501:ΌΜ 2129:is 2121:ds 2115:, 2104:= 2102:φφ 2093:= 2091:ΞΞ 2084:rr 2069:zz 2062:xy 2057:, 2055:xx 1863:ds 1738:, 1734:, 1714:, 1545:, 1539:dz 1535:dy 1533:, 1531:dx 1449:ds 1353:, 1280:, 1276:, 1041:ma 961:A 888:, 864:. 804:. 9874:) 9870:( 9856:) 9847:( 9813:) 9809:( 9756:) 9752:( 9732:) 9701:) 9678:( 9327:) 9318:( 9283:e 9276:t 9269:v 9231:. 9203:. 9173:. 9149:. 9119:. 9097:. 9074:. 9052:. 9030:. 8995:. 8965:. 8939:. 8917:. 8898:. 8886:: 8880:8 8866:. 8838:. 8800:. 8796:: 8786:: 8743:. 8739:: 8731:: 8693:. 8681:: 8673:: 8663:: 8537:. 8509:: 8501:: 8491:: 8459:. 8431:: 8423:: 8413:: 8378:. 8350:: 8342:: 8332:: 8292:. 8153:a 8144:b 8140:P 8123:3 8119:/ 8115:5 8106:) 8097:2 8091:b 8087:P 8081:( 8075:) 8069:4 8065:e 8051:+ 8046:2 8042:e 8028:+ 8025:1 8021:( 8012:2 8008:/ 8004:7 7999:) 7993:2 7989:e 7982:1 7978:( 7971:5 7967:c 7963:5 7956:3 7952:/ 7948:1 7941:) 7935:2 7931:m 7927:+ 7922:1 7918:m 7914:( 7909:2 7905:m 7899:1 7895:m 7889:3 7885:/ 7881:5 7877:G 7864:= 7854:t 7851:d 7844:b 7840:P 7836:d 7803:) 7797:2 7793:e 7787:8 7784:7 7779:+ 7776:1 7772:( 7763:2 7758:) 7752:2 7748:e 7741:1 7737:( 7730:2 7726:/ 7722:7 7718:a 7712:5 7708:c 7704:5 7695:2 7691:m 7687:+ 7682:1 7678:m 7670:2 7665:2 7661:m 7655:2 7650:1 7646:m 7640:2 7636:/ 7632:7 7628:G 7618:= 7608:t 7605:d 7598:z 7594:L 7590:d 7562:a 7554:e 7539:) 7533:4 7529:e 7515:+ 7510:2 7506:e 7492:+ 7489:1 7485:( 7476:2 7472:/ 7468:7 7463:) 7457:2 7453:e 7446:1 7442:( 7435:5 7431:a 7425:5 7421:c 7417:5 7412:) 7407:2 7403:m 7399:+ 7394:1 7390:m 7386:( 7381:2 7376:2 7372:m 7366:2 7361:1 7357:m 7351:4 7347:G 7337:= 7327:t 7324:d 7319:E 7316:d 7219:T 7215:R 7198:m 7194:M 7147:l 7142:2 7138:c 7132:) 7129:m 7126:+ 7123:M 7120:( 7117:G 7111:6 7086:l 7079:e 7075:A 7055:) 7049:2 7045:e 7038:1 7034:( 7030:A 7025:2 7021:c 7015:) 7012:m 7009:+ 7006:M 7003:( 7000:G 6994:6 6961:) 6955:2 6951:e 6944:1 6940:( 6936:A 6933:= 6927:) 6924:m 6921:+ 6918:M 6915:( 6912:G 6906:2 6902:h 6886:e 6882:A 6861:2 6857:L 6851:2 6847:c 6839:2 6835:m 6829:2 6825:M 6819:2 6815:G 6808:6 6802:= 6798:) 6791:4 6787:c 6780:2 6776:M 6770:2 6766:G 6762:4 6756:( 6747:2 6743:L 6739:2 6732:2 6728:c 6722:2 6718:m 6711:3 6689:s 6686:r 6679:a 6675:π 6671:T 6667:φ 6663:ω 6647:2 6642:s 6638:r 6629:2 6625:L 6621:2 6614:2 6610:c 6604:2 6600:m 6593:3 6587:= 6583:) 6575:2 6571:a 6567:4 6560:2 6555:s 6551:r 6547:3 6541:( 6534:2 6528:) 6523:r 6502:( 6499:T 6496:= 6480:T 6465:) 6458:+ 6450:2 6446:a 6442:4 6435:2 6430:s 6426:r 6422:3 6413:1 6409:( 6395:= 6390:r 6353:2 6349:a 6342:2 6337:s 6333:r 6329:3 6320:1 6313:2 6300:= 6296:) 6286:r 6273:r 6268:( 6263:) 6255:4 6246:r 6242:2 6235:s 6231:r 6225:2 6221:c 6214:( 6210:= 6205:2 6200:r 6167:r 6163:= 6160:r 6155:] 6147:2 6143:r 6139:d 6134:V 6129:2 6125:d 6118:[ 6111:m 6108:1 6103:= 6098:2 6093:r 6075:r 6071:V 6065:. 6019:s 6016:r 6011:2 6007:3 5999:r 5995:a 5991:s 5988:r 5983:2 5979:3 5974:s 5971:r 5967:s 5964:r 5959:2 5955:3 5947:r 5943:s 5940:r 5933:r 5913:s 5909:r 5905:3 5893:r 5880:r 5869:s 5866:r 5862:a 5841:6 5837:a 5826:4 5821:s 5817:r 5811:2 5807:c 5800:= 5796:) 5788:6 5784:a 5780:8 5774:3 5769:s 5765:r 5759:( 5754:) 5749:2 5743:2 5739:c 5733:s 5729:r 5722:( 5718:= 5714:) 5706:3 5700:r 5697:e 5694:t 5691:u 5688:o 5683:r 5679:2 5672:2 5668:c 5662:s 5658:r 5651:( 5647:= 5640:3 5634:r 5631:e 5628:t 5625:u 5622:o 5617:r 5612:M 5609:G 5598:2 5541:r 5536:2 5520:= 5513:2 5509:r 5504:m 5501:M 5498:G 5480:φ 5476:ω 5458:2 5444:) 5441:m 5438:+ 5435:M 5432:( 5429:G 5423:= 5418:3 5409:r 5395:M 5391:m 5384:r 5380:s 5377:r 5373:a 5360:s 5355:/ 5353:L 5349:s 5346:r 5344:/ 5342:a 5316:s 5312:r 5306:2 5303:3 5288:r 5285:e 5282:n 5279:n 5276:i 5271:r 5259:s 5255:r 5248:2 5244:a 5240:2 5224:r 5221:e 5218:t 5215:u 5212:o 5207:r 5192:s 5189:r 5185:a 5174:r 5167:r 5163:r 5156:r 5134:, 5126:r 5123:e 5120:t 5117:u 5114:o 5109:r 5102:2 5098:a 5094:3 5088:= 5084:) 5074:2 5070:a 5063:2 5058:s 5054:r 5050:3 5041:1 5033:1 5029:( 5021:s 5017:r 5011:2 5007:a 5001:= 4991:r 4988:e 4985:n 4982:n 4979:i 4974:r 4965:) 4955:2 4951:a 4944:2 4939:s 4935:r 4931:3 4922:1 4917:+ 4914:1 4910:( 4902:s 4898:r 4892:2 4888:a 4882:= 4872:r 4869:e 4866:t 4863:u 4860:o 4855:r 4837:r 4830:r 4815:; 4812:0 4809:= 4805:] 4799:2 4795:a 4789:s 4785:r 4781:3 4778:+ 4775:r 4770:2 4766:a 4762:2 4754:2 4750:r 4744:s 4740:r 4735:[ 4726:4 4722:r 4718:2 4711:2 4707:c 4703:m 4694:= 4688:r 4685:d 4680:V 4677:d 4668:= 4665:F 4643:. 4639:] 4631:3 4627:r 4620:2 4616:a 4610:s 4606:r 4592:2 4588:r 4582:2 4578:a 4572:+ 4567:r 4562:s 4558:r 4548:[ 4542:2 4536:2 4532:c 4528:m 4522:= 4519:) 4516:r 4513:( 4510:V 4500:c 4498:/ 4496:h 4492:a 4488:V 4479:s 4474:/ 4472:L 4468:s 4465:r 4463:/ 4461:a 4457:r 4441:a 4437:r 4430:r 4426:r 4415:φ 4411:Ξ 4407:r 4403:t 4399:φ 4387:e 4383:A 4365:) 4359:2 4355:e 4348:1 4344:( 4340:A 4335:2 4331:c 4325:) 4322:m 4319:+ 4316:M 4313:( 4310:G 4304:6 4251:3 4247:r 4238:2 4234:c 4226:2 4222:L 4218:) 4215:m 4212:+ 4209:M 4206:( 4203:G 4189:2 4185:r 4178:2 4172:2 4168:L 4162:+ 4157:r 4153:m 4150:M 4147:G 4138:= 4135:) 4132:r 4129:( 4126:V 4098:3 4094:r 4085:2 4081:c 4073:2 4069:L 4065:) 4062:m 4059:+ 4056:M 4053:( 4050:G 4044:+ 4036:2 4032:r 4025:2 4019:2 4015:L 4004:r 4000:m 3997:M 3994:G 3988:+ 3984:] 3978:2 3974:c 3970:m 3965:2 3962:1 3949:2 3945:c 3941:m 3938:2 3932:2 3928:E 3921:[ 3917:= 3912:2 3907:) 3898:d 3893:r 3890:d 3884:( 3879:m 3874:2 3871:1 3859:s 3856:r 3835:3 3831:r 3824:2 3820:h 3814:s 3810:r 3803:+ 3796:2 3792:r 3786:2 3782:h 3771:r 3765:2 3761:c 3755:s 3751:r 3744:+ 3739:2 3735:c 3723:2 3719:c 3713:2 3709:m 3702:2 3698:E 3692:= 3687:2 3682:) 3673:d 3668:r 3665:d 3659:( 3630:. 3627:r 3624:d 3618:2 3614:/ 3610:1 3602:] 3597:) 3589:2 3585:r 3581:1 3576:+ 3569:2 3565:a 3561:1 3555:( 3550:) 3544:r 3538:s 3533:r 3524:1 3520:( 3509:2 3505:b 3501:1 3495:[ 3486:2 3482:r 3478:1 3470:= 3445:E 3441:c 3438:L 3432:= 3429:b 3407:c 3404:h 3399:= 3396:a 3376:, 3372:) 3366:2 3362:r 3358:+ 3351:2 3347:a 3341:4 3337:r 3330:( 3325:) 3319:r 3314:s 3310:r 3301:1 3297:( 3286:2 3282:b 3276:4 3272:r 3266:= 3261:2 3256:) 3247:d 3242:r 3239:d 3233:( 3182:L 3177:= 3174:v 3168:r 3165:= 3162:h 3138:h 3118:. 3114:) 3106:2 3102:r 3096:2 3092:h 3086:+ 3081:2 3077:c 3072:( 3067:) 3061:r 3056:s 3052:r 3043:1 3039:( 3027:2 3023:c 3017:2 3013:m 3006:2 3002:E 2996:= 2991:2 2986:) 2977:d 2972:r 2969:d 2963:( 2941:M 2921:m 2883:r 2881:/ 2879:s 2876:r 2867:8 2863:3 2860:( 2854:s 2851:r 2840:r 2838:/ 2836:s 2833:r 2825:G 2807:2 2803:c 2798:M 2795:G 2792:2 2786:= 2781:s 2777:r 2762:s 2759:r 2755:M 2725:m 2717:q 2709:τ 2702:q 2695:g 2680:q 2662:0 2659:= 2653:q 2650:d 2639:x 2635:d 2626:q 2623:d 2612:x 2608:d 2584:+ 2576:2 2572:q 2568:d 2557:x 2551:2 2547:d 2497:g 2477:x 2473:d 2463:x 2459:d 2447:g 2443:= 2438:2 2430:d 2424:2 2420:c 2387:2 2379:d 2367:2 2357:2 2353:r 2344:2 2336:d 2330:2 2326:r 2317:2 2313:r 2309:d 2301:2 2297:t 2293:d 2287:2 2283:c 2279:= 2274:2 2266:d 2260:2 2256:c 2233:2 2229:z 2225:d 2217:2 2213:y 2209:d 2201:2 2197:x 2193:d 2185:2 2181:t 2177:d 2171:2 2167:c 2163:= 2158:2 2150:d 2144:2 2140:c 2106:r 2099:g 2095:r 2088:g 2081:g 2066:g 2059:g 2052:g 2036:2 2032:z 2028:d 2022:z 2019:z 2015:g 2011:+ 2008:y 2005:d 2001:z 1998:d 1992:y 1989:z 1985:g 1981:+ 1975:+ 1972:z 1969:d 1965:x 1962:d 1956:z 1953:x 1949:g 1945:+ 1942:y 1939:d 1935:x 1932:d 1926:y 1923:x 1919:g 1915:+ 1910:2 1906:x 1902:d 1896:x 1893:x 1889:g 1885:= 1880:2 1876:s 1872:d 1844:2 1836:d 1824:2 1814:2 1810:r 1806:+ 1801:2 1793:d 1787:2 1783:r 1779:+ 1774:2 1770:r 1766:d 1763:= 1758:2 1754:s 1750:d 1740:φ 1736:Ξ 1732:r 1720:H 1716:G 1712:F 1696:2 1692:z 1688:d 1684:) 1681:z 1678:, 1675:y 1672:, 1669:x 1666:( 1663:H 1660:+ 1655:2 1651:y 1647:d 1643:) 1640:z 1637:, 1634:y 1631:, 1628:x 1625:( 1622:G 1619:+ 1614:2 1610:x 1606:d 1602:) 1599:z 1596:, 1593:y 1590:, 1587:x 1584:( 1581:F 1578:= 1573:2 1569:s 1565:d 1551:z 1547:y 1543:x 1515:2 1511:z 1507:d 1504:+ 1499:2 1495:y 1491:d 1488:+ 1483:2 1479:x 1475:d 1472:= 1467:2 1463:s 1459:d 1171:r 1136:m 1132:m 1128:M 1124:M 1122:/ 1120:m 1112:G 1108:r 1094:, 1087:2 1083:r 1078:m 1075:M 1069:G 1066:= 1063:F 1053:m 1049:M 1039:= 1037:F 1033:a 1029:m 1025:F 958:. 916:m 912:M 908:M 904:m 829:m 825:M 757:e 750:t 743:v 424:) 420:( 93:T 84:= 72:g 65:+ 53:G 26:.

Index

gravitational two-body problem
Kepler problem
General relativity
Spacetime curvature schematic
Introduction
History
Timeline
Tests
Mathematical formulation
Equivalence principle
Special relativity
World line
Pseudo-Riemannian manifold
Kepler problem
Gravitational lensing
Gravitational redshift
Gravitational time dilation
Gravitational waves
Frame-dragging
Geodetic effect
Event horizon
Singularity
Black hole
Spacetime
Spacetime diagrams
Minkowski spacetime
Einstein–Rosen bridge
Linearized gravity
Einstein field equations
Friedmann

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