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Poster Crash Course Astronomy Season 1 The Big Bang, Cosmology Part 1 2015

Crash Course Astronomy Season 1 The Big Bang, Cosmology Part 1 2015

Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began - with a bang.

  • Released: 2015-11-26
  • Runtime: 12 minutes
  • Genre: Documentary
  • Stars: Phil Plait
  • Director: Phil Plait
Download : MKV
Download : MP4

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