The first probe to ever land on the surface of a comet performed some serious science before going into hibernation. Europe's Philae probe found organic molecules in the comet's atmosphere and discovered that the icy body's surface is as hard as ice.
The first probe to ever land on the surface of a comet performed some serious science before going into hibernation. Europe's Philae probe found organic molecules in the comet's atmosphere and discovered that the icy body's surface is as hard as ice.
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