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A comment on Equivalence principle of general relativity holds even at gravitational extremes.

Re:Equivalence principle of general relativity holds even at... by lawlessone on Thursday July 05, 2018 @05:58AM (#17462019)
>with a margin of error of only 30 meters, according to a

Amazing they can measure it that accurately

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Re:Equivalence principle of general relativity holds even at... by RedOrGreen on Thursday July 05, 2018 @03:11PM (#17465912)
We can do even better some of the time - for example, we can get to ~few nanosecond timing precision for pulsars like J1909-3744 [1], which is equivalent to measuring (changes in) the path length to that pulsar to a few meters or better.

[1] https://arxiv.org/abs/1406.4716

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