【雑談】宇宙開発雑談　せみょ大寺有恒の間違いだらけの宇宙開発

First of NASA's GRAIL Spacecraft Enters Moon Orbit - NASA Jet Propulsion Laboratory
http://www.jpl.nasa.gov/news/news.cfm?release=2011-398&cid=release_2011-398




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