太阳壁纸
by NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
NASA Image Library · 公有领域（Public Domain）
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NASA MESSENGER is again sending images back to Earth after the spacecraft emerged from superior solar conjunction, when communication is largely blocked by the Sun. These will be some of our last views of Mercury from MESSENGER. Featured here is the ejecta blanket of a fresh impact crater located just outside the scene. Ejecta scoured the surface leaving behind beautiful patterns of secondary craters. Date acquired: April 16, 2015 Image Mission Elapsed Time (MET): 71544702 Image ID: 8343072 Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS) Center Latitude: 55.67°…
