A small lesson in a large topic:
(via Kevin)
Tags: Our Universe, planets, scale, science, stars, video
This entry was posted on Thursday, December 23rd, 2010 at 1:14 pm and is filed under 'Nuff Said, Geekery & Nerdaphernalia. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
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