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Why the solar system can exist

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 Astronomy   |   Physics   |   Science
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If gravity is so attractive, why doesn't the earth just crash into the sun? Or the moon into the earth?

The answer: Stable Orbits

hyperbolic funnel video: http://bit.ly/r5xhng

minutephysics is now on Google+ - http://bit.ly/qzEwc6
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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Music by Nathaniel Schroeder

Thanks to Perimeter Institute for support.
http://www.perimeterinstitute.ca Created by Henry Reich

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