We wish a happy birthday to Klim Churyumov, co-discoverer along with Svetlana Gerasimenko of Rosetta's comet, in September 1969.
from Rosetta - ESA's comet chaser » Rosetta - ESA's comet chaser http://ift.tt/1LgCaqr
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from Rosetta - ESA's comet chaser » Rosetta - ESA's comet chaser http://ift.tt/1LgCaqr
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