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| if_the_observable_universe_is_analogous_to_a_hollow_plastic_ball_then_how_thick_is_the_plastic 2009/01/16 10:12 | if_the_observable_universe_is_analogous_to_a_hollow_plastic_ball_then_how_thick_is_the_plastic 2009/01/16 10:25 current | ||
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| http://www.youtube.com/watch?v=nw5W3CszeAI | http://www.youtube.com/watch?v=nw5W3CszeAI | ||
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| + | http://curious.astro.cornell.edu/question.php?number=651 | ||
| ''Stefano Meschiari - UC Santa Cruz'' | ''Stefano Meschiari - UC Santa Cruz'' | ||