Rosetta and Philae Go for separation

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Following a night of critical Go/NoGo decisions, Rosetta and Philae are cleared for separation, despite a problem onboard the lander. The mission is set to become the first in history to touch down on a comet.

via ESA Space Science

http://www.esa.int/Our_Activities/Space_Science/Rosetta/Rosetta_and_Philae_Go_for_separation