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Transcript of Wilhelm Beer
banker and astronomer He is most famous for his work on the moon. As an amateur astronomer who (with Johann Heinrich von Mädler) constructed the most complete map of the Moon of his time, Mappa Selenographica (1836). The first lunar map to be divided into quadrants, it contained a detailed representation of the Moon’s face and was accompanied, in 1837, by a volume providing micrometric measurements of the diameters of 148 craters and the elevations of 830 mountains. He spent most of his life in Berlin He also built a private observatory with a 9.5 cm refractor. Beer along with Johann Heinrick Madler made the first exact map of the moon. A few years later they also wrote about the surface of the moon. Both of these showed the moon to be very different from earth and uninhabited. During this time Wilhelm Beer and Johann Madler also made the first globe of Mars. They later went on to make a map of Mars and also calculated its rotation to be 24 hours 37 minutes 22.7 seconds long. This was within .01 second of what is known today!!! AMAZING! Beer helped with the first railway in Prussia and in his later years became a writer and a politician! He DID NOT get his name from drinking too much! Giacomo Meyerbeer born in 1791 was a noted German-born opera composer, and the first great exponent of "grand opera." He was alos Beer's brother! He helped with the establishment of a railway system in Prussia. And promoted the Jewish community in Berlin. In 1849 he was elected as an MP for the first chamber of the Prussian parliament. The crater Beer on Mars is named in Wilhelm Beer's honor and lies near Mädler. There is also a crater called Beer on the Moon and an asteroid 1896 Beer. Beer died at the age of 53 on March 27,1850 Interesting Facts Interesting Facts: Sources: