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Appulse

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when involving bright planets and the Moon. They facilitate finding faint objects when such objects are involved. Very close appulse events provide an opportunity to witness two objects together in the same telescopic field of view, which is an appealing curiosity in amateur telescopy, e.g.
88:(such as planets) occasionally display an appulse event without an associated conjunction event. In these cases, the two objects appear to approach each other, but turn away before reaching a momentary coincidence of right ascension. 271: 62:, as seen from Earth. An appulse is an apparent phenomenon caused by perspective only; the two objects involved are not near in physical space. 91:
When the celestial bodies appear so close together that one actually passes in front of the other, the event is classified as a
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and another, as seen from a third body during a given period. Appulse is seen in the apparent motion typical of two
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between two bodies is at its minimum, a conjunction occurs at the moment when the two bodies have the same
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in the evening sky on three consecutive days. The centre image shows an appulse between the two objects.
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Her Majesty's Nautical Almanac Office and United States Naval Observatory (2012).
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Apparent least distance between two celestial objects
258: 111:Jupiter-Saturn appulse of December 13, 2020. 174: 151:Glossary, The Astronomical Almanac Online 179:. Willman-Bell Inc., Richmond, Virginia. 18: 272:Astronomical events of the Solar System 259: 13: 106:Appulses are naked-eye events for 14: 283: 244: 232: 220: 208: 196: 58:or planet while the Moon orbits 50:together in the sky, or of the 168: 138: 1: 131: 7: 114: 65:An appulse is related to a 10: 288: 177:Astronomical Algorithms 121:Opposition (astronomy) 103:, and not an appulse. 84:Objects which exhibit 32: 22: 175:Jean Meeus (1991). 71:apparent separation 126:Syzygy (astronomy) 79:ecliptic longitude 33: 108:general observers 86:retrograde motion 40:apparent distance 279: 249: 248: 247: 237: 236: 235: 225: 224: 223: 213: 212: 201: 200: 199: 192: 181: 180: 172: 166: 165: 163: 162: 153:. Archived from 142: 44:celestial object 287: 286: 282: 281: 280: 278: 277: 276: 257: 256: 255: 245: 243: 233: 231: 221: 219: 207: 197: 195: 187: 185: 184: 173: 169: 160: 158: 143: 139: 134: 117: 75:right ascension 17: 12: 11: 5: 285: 275: 274: 269: 254: 253: 241: 229: 217: 205: 183: 182: 167: 136: 135: 133: 130: 129: 128: 123: 116: 113: 15: 9: 6: 4: 3: 2: 284: 273: 270: 268: 265: 264: 262: 252: 242: 240: 230: 228: 218: 216: 211: 206: 204: 194: 193: 190: 178: 171: 157:on 2020-10-21 156: 152: 148: 141: 137: 127: 124: 122: 119: 118: 112: 109: 104: 102: 98: 94: 89: 87: 82: 80: 76: 72: 68: 63: 61: 57: 53: 49: 45: 41: 38:is the least 37: 30: 26: 21: 251:Solar System 176: 170: 159:. Retrieved 155:the original 150: 140: 105: 90: 83: 64: 42:between one 35: 34: 239:Outer space 227:Spaceflight 97:occultation 67:conjunction 267:Astrometry 261:Categories 161:2014-10-28 132:References 203:Astronomy 147:"Appulse" 115:See also 189:Portals 101:eclipse 93:transit 48:planets 36:Appulse 215:Stars 99:, or 60:Earth 54:to a 29:Venus 56:star 52:Moon 27:and 25:Moon 23:The 77:or 263:: 149:. 95:, 191:: 164:.

Index


Moon
Venus
apparent distance
celestial object
planets
Moon
star
Earth
conjunction
apparent separation
right ascension
ecliptic longitude
retrograde motion
transit
occultation
eclipse
general observers
Opposition (astronomy)
Syzygy (astronomy)
"Appulse"
the original
Portals
Astronomy
icon
Stars
Spaceflight
Outer space
Solar System
Categories

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