As planned, moon probes crash into crater rim to end mission
Going out with a bang, two small NASA probes that flew in formation to precisely map the moon's gravity field crashed into a mile-high mountainside today, slamming into the lunar surface at more than a mile per second to bring a successful $500 million mission to an abrupt end.
The "targeted impacts" were intended to eliminate even a slight chance that one of the satellites might one day fall to the surface at or near a so-called "lunar heritage site," including six where manned Apollo missions landed and more than a dozen where unmanned U.… Read more