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NASA crashes two spacecrafts into the moon Monday 17 December 2012
Space
Published: 14 Dec 2012 |
By Anne Cukier
and 1 other |
Last updated: 14 Dec 2012
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The two Gravity Recovery and Interior Laboratory (GRaIL) spacecrafts are almost out of fuel after a yearlong mission to investigate what lies beneath the lunar surface.
The two probes, each about the size of a small washing machine, will probably hit a mountain near the moon's north pole. The site has been carefully selected in order to avoid the chance of hitting any of the Apollo or other lunar relics.
The impacts of the crashes will not be visible from Earth. As the region will be dark at the time of the crashes, no good pictures from NASA's close-by spacecraft Lunar Reconnaissance Orbiter are expected to be made.
The mission of the GRaIL spacecraft resulted in the discovery of lava-filled subterranean cracks inside the moon, which can explain an early expansion of the body.
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