Replies

• 
  Mnemonixs 7 years ago

  @joe Usually either optics/perspective, or air density. I always point out that would mean the horizon would get closer the higher you got rather than further, and they always shut up / block me

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  Johnnynull 7 years ago

  Of course there's always https://www.theguardian.com/technology/2009/sep/21/mit-students-budget-space-photographs

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  Joe 7 years ago

  What do they think the horizon is?

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