6 Q's About the News | European Space Agency’s Spacecraft Lands on Comet’s Surface 6 Q's About the News | European Space Agency’s Spacecraft Lands on Comet’s Surface What is the Philae, and when and where did it land? http://ift.tt/1upeOs0 http://ift.tt/1zP9sJT U.S.

By KATHERINE SCHULTEN from NYT U.S. http://ift.tt/1upeOs0

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