but how do you know gravity broadcasts at the speed of light?
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送交者: 蓝隼 于 2016-02-12, 13:08:03:
回答: 其实应该是这样理解，只要引力是光速传播的，就会有波动方程，就会有引力波 由 pgss 于 2016-02-12, 12:18:44:
It can't be faster, but why not much slower? I simply do not have the knowledge prerequisite to begin with...
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