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Astronomers
borndied
1723, Jun 111788, Feb 21
a German astronomer who became famous for recovering Comet 1P/Halley (better known as Halley's Comet or Comet Halley) on Christmas Day, 1758. The periodic nature of this comet had been deduced by its namesake Edmond Halley in 1705, but Halley had died before seeing if his prediction would come true.
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12/25/1758-Halley's comet sighted by Johann Palitzsch during return, confirming periodic nature deduced by Edmund Halley
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