No mercy at Mercury: NASA spacecraft to plunge from orbit and slam into planet Thursday

April 29, 2015 8:50 AM

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CAPE CANAVERAL, Fla. (AP) — NASA's Mercury-orbiting spacecraft, Messenger, is going out with a bang this week, adding a hefty crater to the little planet closest to the sun.

The first spacecraft to circle Mercury, Messenger is expected to slip out of orbit and slam into Mercury on Thursday. It's out of fuel and is now at the mercy of gravity.

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