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1968年以来 行星雷达 已观测到超过1000颗近地小行星 - 科学探索

1968年以来 行星雷达 已观测到超过1000颗近地小行星 - 科学探索
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NASA s Juno probe delivers initial images from its June 7 flyby of Ganymede

Lake County News,California - Space News: NASA s Juno to get a close look at Jupiter s moon Ganymede

From left to right: The mosaic and geologic maps of Jupiter’s moon Ganymede were assembled incorporating the best available imagery from NASA’s Voyager 1 and 2 spacecraft and NASA’s Galileo spacecraft. Credits: USGS Astrogeology Science Center/Wheaton/NASA/JPL-Caltech. The first of the gas-giant orbiter’s back-to-back flybys will provide a close encounter with the massive moon after over 20 years. On Monday, June 7, at 10:35 a.m. Pacific Time, NASA’s Juno spacecraft will come within 645 miles of the surface of Jupiter’s largest moon, Ganymede. The flyby will be the closest a spacecraft has come to the solar system’s largest natural satellite since NASA’s Galileo spacecraft made its penultimate close approach back on May 20, 2000.

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