It's been 3994 days
since New Horizons' closest approach to Pluto on July 14, 2015.
It's been 2727 days
since New Horizons' closest approach to 2014 MU69 on January 1, 2019.
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1 day until Summer
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99 years ago, in 1817:
Charles Messier dies at age 86 in Paris, France.
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67 years ago, in 1849:
Annibale de Gasparis of Italy discovers the fourth largest asteroid, Hygiea.
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42 years ago, in 1874:
The French astronomer Jerome Coggia discovers Comet Coggia (C/1874 H1, the Great Comet of 1874).
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126 years ago, in 1790:
Caroline Herschel discovers her fourth comet, Comet C/1790 H1 (Herschel).
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230 years ago, in 1686:
Giovanni Cassini discovers one of Saturn's moons, Dione.
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