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1801 in science : ウィキペディア英語版 | 1801 in science
The year 1801 in science and technology involved some significant events, listed below.
==Astronomy==
* January 1 – Italian astronomer Giuseppe Piazzi makes the first discovery of an asteroid, Ceres, which is briefly considered to be the eighth planet. * July 11 – French astronomer Jean-Louis Pons makes the first of his 37 comet discoveries. * Jérôme Lalande and his staff at the Paris Observatory publish the astrometric star catalogue ''Histoire Céleste Française''.
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