Word: astrogeologist
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...Debris. Orbiter 4 was even more informative. Its overhead and closeup picture of the Humboldt Crater-located at the right edge of the visible face of the moon and difficult to see through terrestrial telescopes-suggested to Astrogeologist Harold Masursky that the crater is "very young" geologically and was probably created by the impact of a meteorite only a few million years ago. The event was so recent, Masursky believes, that the floor of Humboldt is still gradually rising. This "isostatic rebound," as he calls it, has produced an obvious fracture in the crater floor-evident for the first time...
...emphasized Surveyor's charmed life. About 300 yds. from the craft, the camera picked out a field of boulders up to six feet in diameter. Had the spacecraft landed there, striking any stone at a bad angle, it might have toppled over. Said U.S. Geological Survey's Astrogeologist Eugene Shoemaker: "I think we were damn lucky...
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