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
And facebook - http://facebook.com/minutephysics
And twitter - @minutephysics
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
Tagged under: stable,orbits,effective,potential,earth,moon,spiral,crash,sun,doom,hyperbolic,funnel,wishing ,solar system,planets,galaxies,galaxy,thorn,linguistics,ye olde,fourth,dimension,string,theory,light,distance,E=mc2,equals,mc,squared,einstein,special,relativity,travel,black hole,standard model,rocket,science,Tides,gravity,Neutrino,photon,lhc,higgs,electron,atomic,nuclear,General,Dark,energy,Minutephysics,minute,physics,Henry,Reich,universe,xkcd,cat,schrodinger,Perimeter,Institute
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