Yes, at the speed of light. Someone commented this morning that, if the
sun were to suddenly disappear we'd still be gravitationally attracted
to that empty space and also warmed by its light for another 8 minutes. :-)
Chuck Norcutt
On 2/12/2016 4:08 PM, Mike Gordon via olympus wrote:
I agree pretty durn cool--last major unconfirmed prediction of
general relativity is verified. Yes, as electromagnetism is much
stronger and electromagnetic waves are easy to detect as they
propagate through space-time, gravitational waves also propagate at
light speed but are ripples in space-time itself.
--
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