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Astronomy版 - Astronomy Picture of Day: Welcome to Planet Earth
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Astronomy Picture of Day: the Far Side of the Moon每日一图 來自外太空的小球體
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相关话题的讨论汇总
话题: earth话题: planet话题: welcome话题: picture话题: astronomy
进入Astronomy版参与讨论
1 (共1页)
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发帖数: 1994
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Welcome to Planet Earth
Credit: Apollo 17 Crew, NASA
Explanation: Welcome to Planet Earth, the third planet from a star named the
Sun. The Earth is shaped like a sphere and composed mostly of rock. Over 70
percent of the Earth's surface is water. The planet has a relatively thin
atmosphere composed mostly of nitrogen and oxygen. The above picture of
Earth, dubbed Blue Marble, was taken from Apollo 17 in 1972 and features
Africa and Antarctica. It is thought to be one of the most widely
distribut
1 (共1页)
进入Astronomy版参与讨论
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Astronomy Picture of Day: Apollo 17 PanoramaAstronomy Picture of Day: Busy Solar System
彗星观测指南Astronomy Picture of Day: Star with Planets
Astronomy Picture of Day: Asteroid and MoonAstronomy Picture of Day: Eclipse in the Mist
Astronomy Picuture of Day: An Antarctic Eclipsebreaking news -- 6 planets transiting a Sun-like star
Astronomy Picture of Day: Apollo 12'Mars Meteorite's' Link to Life Questioned(again)
Astronomy Picture of Day: Apollo 11Astronomy Picture of Day: Apollo 17: Last on Moon
Astronomy Picture of Day: Lunar Farside每日一图 阿波羅十七號:巨石的立體影像
相关话题的讨论汇总
话题: earth话题: planet话题: welcome话题: picture话题: astronomy