This publicly provided image by the European Space Agency ESA shows an artist’s impression of the Rosetta orbiter deploying the Philae lander to comet 67P/Churyumov–Gerasimenko. The image is not to scale; the Rosetta spacecraft measures 32 m across including the solar arrays, while the comet nucleus is thought to be about 4 km wide. The European Space Agency has set a tentative date for the first landing of a spacecraft on a comet. ESA says Tuesday Dec. 10, 2013 its Rosetta probe will wake up from hibernation Jan. 20 before chasing down comet 67P/Churyumov-Gerasimenko. If all goes according to plan, Rosetta will launch a lander onto the surface of the comet on Nov. 11, 2014. (AP Photo/ESA, C.Carreau)
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