How spacecraft landed to the Mars ? The Opportunity (MER-B) Mission to the Mars. - YouTube Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover active on Mars since 2004.[1] Launched on July 7, 2003 as part of ...
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※ 作者: ott 時間: 2019-01-28 12:41:45
※ 編輯: ott 時間: 2019-01-28 12:57:46
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