Once it drops its lander, the spacecraft will tag along as dusty, icy comet circles the sun
Very soon, on November 12, a spacecraft called Rosetta will sidle up to a comet, steady itself and drop a 100-kilogram robotic lander toward the hunk of rock, dust and ice. The lander, named Philae, will drift through space, tugged only slightly by the gravity of the comet, commonly called 67P. Miss...
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