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The Philae comet lander
June 15, 2015, 11:51 a.m. ET

An illustration of the Philae lander.
European Space Agency Via Getty Images
A scientist wears a t-shirt depicting the European Space Agency's robot craft Philae, in the scientific mission observation centre in Toulouse France, Nov. 12, 2014.
Remy Gabalda, AFP/Getty Images
The Philae lander shortly after separation from the Rosetta orbiter June14. 2015,
European Space Agency
Scientists celebrate as they receive information that the European Space Agency's robot craft Philae has landed on the Churyumov-Gerasimenko comet following a ten year journey, Nov. 12, 2014.
Remy Gabalda, AFP/Getty Images
This is Philae's view of the cliffs at Abydos on the comet, one of the lander's three feet can be seen in the foreground.
AFP/Getty Images
A computer generated image of space probe Rosetta.
European Space Agency
A model demonstrates how the landing device Philae will stand on the comet.
Arne Dedert, European Press AgencyFeatured Weekly Ad