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On November 12, 2014, the Philae lander separated

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13 a) 6.673x10) x1x1。 9- GM = 6.613 x l0 X Io 36 Il13 2X6-693 XID xio 1.9×103 83.8 mls 2a.gxID .8x10 l.8

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On November 12, 2014, the Philae lander separated from the European Space Agency's Rosetta spacecraft, and...
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