Klim Ivanovich Churyumov (Ukrainian: Клим Іва́нович Чурю́мов, Russian: Клим Ива́нович Чурю́мов) (19 February 1937 – 14 October 2016) was a Soviet and Ukrainian astronomer.
Director of the Kyiv Planetarium, member of the National Academy of Sciences of Ukraine, the International Astronomical Union, of the New York Academy of Sciences, editor of the magazine "Our Skies" (Ukrainian: Наше Небо) in 2006-2009, president of the Ukrainian Society of amateur astronomy and author of books for children.
In 1969 he discovered, with Svetlana Gerasimenko, the comet 67P/Churyumov–Gerasimenko; on 12 November 2014 the Rosetta space mission landed its Philae spacecraft on its surface.
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