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Gravity affects light

  1. Oct 10, 2015 #1
    why light under high gravity enviroment does not always follow a straight line?
  2. jcsd
  3. Oct 10, 2015 #2


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    Gold Member

  4. Oct 10, 2015 #3


    Staff: Mentor

    It not a quantum question but its because gravity is equivalent to acceleration. If you have a beam of light in an internal frame and accelerate relative to it then its curved.

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