C/2013 A1 (Siding Spring)

Author(s): John van Vliet

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C/2013 A1 is an Oort Cloud comet that is notable for passing by very close to Mars on 2014-Oct-19. On that day, the comet encountered the Red Planet at a distance of 140,000 km. Its nucleus is estimated to be around 700-800 m in diameter

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