morris_2007 發表於 2011-7-15 01:16:10

BBC - 仰望夜空:大爆炸

http://www.youtube.com/watch?v=Mm_AIfBSpvo&playnext=1&list=PL0C78B2964E64A69E

http://www.youtube.com/watch?v=J2_iemg0oFk&feature=related

http://www.youtube.com/watch?v=e4JAIqOkQJg
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