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

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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