Is Einstein's theory of gravity correct?

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  • Is Einstein's theory of gravity correct?


Answer #1 | 20/12 2013 06:07
So far there is excellent agreement with experiment. It's certainly possible that some fine details are missing. In fact… it's almost certain that some fine details are missing as quantum mechanics and GR don't play nicely together. But every time we find a new solution to the Einstein eqn we find out something profound about the Cosmos.
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Answer #2 | 20/12 2013 09:18
It works and accurately predicts what we see at the scale of things larger than a quantum. But, it breaks down and gives nonsense answers at the quantum scale.====> GR is incomplete. Quantum mechanics conjectures "gravitons" as messenger particles. this is consistent with the observed messenger particles for the other 3 fundamental forces. but, there is no proof that gravitons exist. so, we have 2 equally valid theories of what gravity is
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