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Events on Thursday 14 November 1680 1
1680Great Comet of 1680 DiscoveredFirst comet discovered by telescopeGerman astronomer Gottfried Kirch spotted the comet on 14 November 1680, marking the first comet discovery made using a telescope. Known as Kirch's Comet, it became one of the brightest comets of the 17th century and was later used by Isaac Newton to test and confirm Kepler's laws of planetary motion.