Beer Crater

Beer Crater (Google Maps)
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By WacoKidd110 @ 2012-09-05 13:52:48
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Named for: German astronomer Wilhelm Beer (1797-1850)

Wilhelm Wolff Beer (4 January 1797 – 27 March 1850) was a banker and astronomer from Berlin, Prussia, and the half-brother of Giacomo Meyerbeer.

Beer's fame derives from his hobby, astronomy. He built a private observatory with a 9.5 cm refractor in Tiergarten, Berlin. Together with Johann Heinrich Mädler he produced the first exact map of the Moon (entitled Mappa Selenographica) in 1834-1836, and in 1837 published a description of the Moon (Der Mond nach seinen kosmischen und individuellen Verhältnissen). Both remained the best descriptions of the Moon for many decades.

In 1830, Beer and Mädler created the first globe of the planet Mars. In 1840 they made a map of Mars and calculated its rotation period to be 24 h 37 min 22.7 s, only 0.1 seconds different from the actual period as it is known today.
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