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Comet Halley

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About The Image
Halley's Comet has been know since at least 240 BC and possibly since 1059 BC. Its most famous appearance was in 1066 AD when it was seen right before the Battle of Hastings. It was named after Edmund Halley, who calculated its orbit. He determined that the comets seen in 1531 and 1607 were the same object that followed a 76-year orbit. Unfortunately, Halley died in 1742, never living to see his prediction come true when the comet returned on Christmas Eve 1758.

This image of Halley's Comets was taken during its 1986 appearance. False-color digital enhancement was used to permit measurement of slight brightness differences. (Copyright Calvin J. Hamilton)

 

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