Why is it Dark at Night?
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12.09.19 – 442 22812:32Опубликовано 30 сентября 2012, 18:51
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.
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Created by Henry Reich Created by Henry Reich
Help share science with the world: translate.minutephysics.com
Subscribe to MinutePhysics!
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And facebook - 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.
perimeterinstitute.ca
Created by Henry Reich Created by Henry Reich
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