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发帖数: 1994 | 1 A Blue Crescent Moon from Space
Credit: Expedition 13 Crew, International Space Station, NASA
Explanation: What's happening to the Moon? Drifting around the Earth in 2006
July, astronauts from the International Space Station (ISS) captured a
crescent Moon floating far beyond the horizon. The captured above image is
interesting because part of the Moon appears blue, and because part of the
moon appears missing. Both effects are created by the Earth's atmosphere.
Air molecules more efficiently sca |
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