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Sunday, January 3, 2010

How Deep's That Gravity Well?

Others have linked to it but I'm gonna anyway: XKCD graphically and simply explains gravity wells.

Stolen entire from Roberta X.
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1 comment:

  1. EunoiaJanuary 5, 2010 at 9:40:00 PM PST

    Astronomy joke of 2009 :
    Despite being in massive
    trouble, Tiger Woods was unable to exceed escape velocity...

    ReplyDelete