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Dec 12, 2017 at 10:59 vote accept user1887919
Dec 11, 2017 at 20:33 history edited Qmechanic CC BY-SA 3.0
edited tags; edited title
Dec 11, 2017 at 20:27 answer added fermionator timeline score: 2
Dec 11, 2017 at 13:50 comment added Javier This is the subject of geometrical optics in curved spacetime, explained in all its gory details in books such as Misner, Thorne and Wheeler or Schneider, Ehlers and Falco.
Dec 11, 2017 at 13:46 history asked user1887919 CC BY-SA 3.0