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Why is it Dark at Night?
Have you ever wondered why you look up and see a dark sky at night? Help share science with the world: http://translate.minutephysics.com Subscribe to MinutePhysics! http://dft.ba/-MPsubscribe MinutePhysics is 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 Nima Doroud and Niayesh Afshordi for contributions and to Perimeter Institute for support. http://www.perimeterinstitute.ca
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Why is it Dark at Night?
Have you ever wondered why you look up and see a dark sky at night? Help share science with the world: http://translate.minutephysics.com Subscribe to MinutePhysics! http://dft.ba/-MPsubscribe MinutePhysics is 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 Nima Doroud and Niayesh Afshordi for contributions and to Perimeter Institute for support. http://www.perimeterinstitute.ca
Date: 10/2/12
Views: 1793
Video by:  YouTube
 
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