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Bending light

  1. Oct 12, 2013 #1
    Can light be bend in such a way that it is essentially trapped in an orbit?
     
  2. jcsd
  3. Oct 12, 2013 #2
    Well, in the photon spheres of massive objects - e.g. black holes and neutron stars - photons (light) can at least be temporarily trapped. But these orbits are not stable, if I remember correctly.
     
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