A black-and-white picture of a woman wearing glasses and holding a large model of a dark comet.

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   Mark McCaughrean (markmccaughrean@mastodon.social)'s status on Thursday, 17-Apr-2025 06:48:15 JST Mark McCaughrean

   I'm saddened to have just heard the news that Svetlana Gerasimenko passed away last week, on 8 April.

   She was the co-discoverer in 1969 of Comet 67P/Churyumov-Gerasimenko with fellow Ukrainian astronomer, Klim Churyumov (1937-2016).

   This is the comet that was explored by ESA's Rosetta spacecraft from 2014-2016 & landed on by the Philae probe in November 2014.

   A comet & events that changed my life 🙇♂️

   Ad astra, Svetlana ✨

   #SpaceScience