@j_bettany ·
@j_bettany - 23 Dec 2009
2 great astronomy videos to put things in perspective: http://bit.ly/6zVCmZ and http://bit.ly/8YKOzY
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@j_bettany ·
2 great astronomy videos to put things in perspective: http://bit.ly/6zVCmZ and http://bit.ly/8YKOzY