Why is it Dark at Night? (by minutephysics)

Have you ever wondered why you look up and see a dark sky at night?
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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 Nima Doroud and Niayesh Afshordi for contributions and to Perimeter Institute for support.
http://www.perimeterinstitute.ca

Source: youtube.com

43 Notes/ Hide

  1. yellow-diamonds-on-the-light reblogged this from behindthedeathstar
  2. behindthedeathstar reblogged this from peteuplink
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  6. monicaespitia59 reblogged this from peteuplink and added:
    Really interesting!
  7. i-love-claire-more-than-life reblogged this from peteuplink
  8. thestorysoverandimnotthehero reblogged this from peteuplink
  9. livemandalive reblogged this from peteuplink and added:
    Mind= blown
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  13. soredemonao reblogged this from peteuplink and added:
    Basically… “The Edge of the universe” Is the point where space and time began, meeting itself both; at it’s own origin,...
  14. scienceee reblogged this from peteuplink
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  18. peteuplink posted this

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