P08-04d: Stability That's out of This World

P08-04d: Stability That's out of This World


What do Center of Mass, Center of Gravity, and torque have to do with the moon?  They're the reason we always see the same side all the time.  Check it out.

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No real new information here (and no quiz), but I think you'll like finding out the reason behind one of those big questions you had as a kid, "why does the same side of the moon always face the Earth?"