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This would give a mean year of 365 days, 5 hours, 48 minutes, 45 seconds, which is extremely close to the mean tropical year. Neither the Tsar nor
Orthodox clergy accepted this unsolicited proposal, though a modified version of it was made by
476:, Vol. 19, Pt. 4 (November 1988), pp. 284–286. (Note that the last page is missing in the PDF version of the article at the foregoing link, but is contained in the GIF version.)
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dates before the year 1900, the leap year in 1900 along with every 128th year afterwards (2028, 2156, etc.) under the Julian rules would be cancelled.
143:
His father was a master tailor and when 12 he studied at the
Friedrich‐Werdersche Gymnasium in Berlin. He was orphaned at age 19 by an outbreak of
356:
Wissenschaftspopularisierung im 19. Jahrhundert: Bürgerliche Kultur, naturwissenschaftliche
Bildung und die deutsche Öffentlichkeit, 1848–1914
276:("Popular Astronomy – the Miraculous Architecture of the Universe") reached out to wider audiences; an eighth edition was published in 1885.
147:, and found himself responsible for raising three younger sisters. He began giving academic lessons as a private tutor and in this way met
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in the 1870s. Beer and Mädler drew the firm conclusion that the features on the Moon do not change, and there is no atmosphere or water.
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of stars, he came up with his "Central Sun
Hypothesis", according to which the center of the galaxy was located in the
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which later became the first true maps of that planet. They were the first to choose what is today known as
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181:, which was off by almost 13 seconds. A later determination in 1837 was off by only 1.1 seconds.
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Title page to a 1861 first edition copy of "Der
Wunderbau des Weltalls oder Populäre Astronomie"
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In 1864, he proposed a calendar reform for Russia: After dropping 12 days to align with
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In 1829 Beer decided to set up a private observatory in Berlin, with a 95 mm
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von Mädler, Johann (1865). "Die
Kalender-Reform" [The Calendar Reform].
358:. Munich: Oldenbourg, 1998, pp. 268, 453, 458, 500, including a short biography.
247:. He remained in Tartu until he retired in 1865, and then returned to Germany.
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as well as astronomical observations. He continued Struve's observations of
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in 1900, and ultimately Russia would adopt the
Gregorian calendar in 1918.
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Johann
Heinrich Mädler (1794–1874): Eine dokumentarische Biographie.
162:, and Mädler worked there. In 1830 they began producing drawings of
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446:"Olbers's Paradox, the Beginning of Creation, and Johann Mädler,"
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He published many scientific works, among them a two-volume
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http://www.uapress.arizona.edu/onlinebks/mars/chap04.htm
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Joeveer, Mihkel (2007). "Mädler, Johann
Heinrich von".
472:(Cambridge, Mass.: Harvard University Press, 1987),
461:, Vol. 29, No. 3 (September 1988), pp. 313–325.
431:
Akademie-Verlag Berlin, 1985 ISSN 0138-4600 (German)
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Quarterly
Journal of the Royal Astronomical Society
451:, Vol. 19, Pt. 1 (February 1988), pp. 45–48.
177:They made a preliminary determination for Mars's
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456:"Johann Mädler's Resolution of Olbers' Paradox,"
265:revolves around it. He got the location wrong.
377:Zhurnal Ministerstva Narodnogo Prosveshcheniya
192:They also produced the first exact map of the
30:"Mädler" redirects here. For other uses, see
321:The Biographical Encyclopedia of Astronomers
274:Populäre Astronomie – Wunderbau des Weltalls
470:Darkness at Night: A Riddle of the Universe
492:http://www.obs.ee/obs/maedler/maedler.html
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302:on Mars are both named in his honor.
474:Journal for the History of Astronomy
449:Journal for the History of Astronomy
215:appointed Mädler an observer at the
323:. New York: Springer. p. 723.
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270:History of Descriptive Astronomy
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580:Recipients of the Lalande Prize
565:19th-century German astronomers
515:"Mädler, Johann Heinrich"
499:"Mädler, Johann Heinrich"
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206:Johann Friedrich Julius Schmidt
521:New International Encyclopedia
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468:a review of Edward Harrison,
329:10.1007/978-0-387-30400-7_883
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151:, a wealthy banker, in 1824.
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466:"More on Olbers's Paradox,"
368:von Mädler, Johann (1864).
10:
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221:Dorpat (Tartu) Observatory
121:Johann Heinrich von Mädler
53:Johann Heinrich von Mädler
41:Johann Heinrich von Mädler
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233:Friedrich Wilhelm Struve
575:Historians of astronomy
505:The American Cyclopædia
370:"O Reforme Kalendarya"
32:Mädler (disambiguation)
403:Deutsche Naturforscher
189:
18:Johann Heinrich Mädler
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160:Joseph von Fraunhofer
198:Mappa Selenographica
372:О Реформѣ Календаря
237:Pulkovo Observatory
156:refractor telescope
485:2017-07-01 at the
425:Dieter B. Herrmann
281:Gregorian calendar
217:Berlin Observatory
213:Johann Franz Encke
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174:for Martian maps.
464:Frank J. Tipler,
338:978-0-387-31022-0
272:in 1873. Mädlers
250:By examining the
239:. He carried out
235:who had moved to
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99:Scientific career
27:German astronomer
16:(Redirected from
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179:rotation period
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231:), succeeding
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172:prime meridian
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385:. Retrieved
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294:The craters
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149:Wilhelm Beer
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83:(1874-03-14)
560:1874 deaths
555:1794 births
90:Nationality
69:29 May 1794
549:Categories
540:(1875) 171
387:2017-06-27
383:(VI): 9–20
306:References
133:astronomer
65:1794-05-29
211:In 1836,
109:astronomy
530:Obituary
483:Archived
256:Pleiades
202:Der Mond
158:made by
129:Hannover
524:. 1905.
508:. 1879.
409:: 88ff.
225:Estonia
170:as the
536:MNRAS
335:
300:Mädler
296:Mädler
227:(then
145:typhus
125:Berlin
105:Fields
93:German
72:Berlin
333:ISBN
194:Moon
164:Mars
78:Died
59:Born
381:121
325:doi
263:Sun
223:in
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