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Sep 5, 2016 at 21:47 comment added N0va From a point of General Relativity (GR) we know exactly what is "bent": the four dimensional space time is curved due to energy-momentum. We know that light follows geodesics on that curved space time. Graviational waves are small pertuations of four dimensonal space time. With GR we are able to describe both phenomena consistently and the predictions and calculations based on that theory can explain our observations of both phenomena. "What space time is" is maybe ment as more of philosophical question. But I would not make a statement "It`s the ether!" in 2016 on a physics community.
Sep 5, 2016 at 20:02 comment added Sanya Welcome on Physics SE. For answers containing "physics" that is clearly not mainstream, I think you should give a bit more of references and arguments to convince people, otherwise not many people are going to pay too much attention.
Sep 5, 2016 at 18:17 review Late answers
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Sep 5, 2016 at 18:05 review First posts
Sep 5, 2016 at 20:02
Sep 5, 2016 at 18:02 history answered Dooterium CC BY-SA 3.0