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主題: 在月球上 crash 的人造衛星 作者: peter 於 2011-12-13 00:02:38 取自 Popular Mechanics South Africa
OTHER http://www.infoniac.com/hi-tech/nasa-strike-moon-with-double-sledgehammer.html http://www.nytimes.com/2009/10/10/science/space/10moon.html?adxnnl=1&adxnnlx=1323705683-vZZWHwl11LetT+Y9jWxkjA |