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Scientists Plan Risky Move to Get Rosetta Spacecraft Nearer Comet

European scientists are planning a risky maneuver to get their Rosetta spacecraft closer to the comet it is orbiting, so it can communicate with its robotic lander on the surface and start experiments that could unlock some of the universe's secrets. The lander, called Philae, surprised scientists over the weekend by waking up and sending a signal to Earth. Its historic landing on comet 67P/Churyumov-Gerasimenko in November was marred when it bounced into a position too shadowy to...

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