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Ebb and Flow no more: Twin lunar probes crash into moon mountain
[i]A pair of twin gravity-mapping moon probes ended their science mission on Monday (Dec. 17) by becoming intimately familiar with the pull of the natural satellite.
The washer-and-dryer-size Gravity Recovery and Interior Laboratory (GRAIL) spacecraft slammed into an unnamed mountain near the moon's north pole at 5:28 p.m. EST (2228 GMT). The pair was crashed intentionally because their low orbit and remaining fuel levels precluded further scientific operations.
The impacts, which were directed by earlier rocket burns, were designed to keep the two probes from colliding with historic sites on the surface of the moon.
...NASA announced Monday that the final resting place for Ebb and Flow on the moon was being named after Ride in recognition of her contributions to the GRAIL mission and the space program.[/i]
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