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Rainbows in space?

  1. Feb 22, 2012 #1
    Are there any circumstances, with the proper positioning, where an astronaut may witness rainbows or rainbow-ish phenomena in space? Not on the surface of another planet, mind you, but in open space. Such as in the tail of a comet, or in ice bodies or clouds of ice or other materials?
  2. jcsd
  3. Feb 22, 2012 #2


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    Ender55, Welcome to Physice Forums.
    Just a few days ago there was a thread here in General Physics about water being ejected into space. Manned satellities do eject urine/wastewater into space. The first thing that happens is that tiny droplets of water freeze. I imagine (not positive) that if you had the sun to your back those frozen droplets would act like raindrops...and give you a rainbow in space! See:

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