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The Universe Is *Very* Big

  • The distance from Earth to Mars (if the Earth was 100 pixels wide)
  • The Scale of the Universe 
  • …and the top rated photos in Reddit’s /r/spaceporn

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  • About This Post

    • Written by HeadTale
    • April 4th, 2013 at 8:48 pm
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    • Wisdom
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    • cool
    • science
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