biography
| sex:
| male
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| lived:
| (1573–1624)
|
| biography:
| Astronomer, born in Gunzenhausen, SC Germany. A pupil of Tycho Brahe, in 1609 he claimed to have discovered the four satellites of Jupiter independently of Galileo. He named them Io, Europa, Ganymede, and Callisto, but other astronomers merely numbered them, as they did not recognize his claim to discovery. He was one of the earliest users of a telescope, and the first to observe by this means the Andromeda nebula (1612). |
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