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Philae comet lander finally wakes up 'from hibernation'

The Philae lander which lost power after making its historic landing on a comet has finally woken up and contacted the European Space Agency.

The comet probe had been "asleep" since November after its batteries ran out and scientists were unable to recharge it as Philae lay in the shadow of a crater wall.

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Rosetta mission calls Philae's awakening 'incredible news'

The European Space Agency's Rosetta mission has called the awakening of its Philae lander "incredible news":

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