What does it mean be gravity propagates with $c$?

Asked May 30 '18 at 08:03

Active May 30 '18 at 08:45

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I know that gravity propagates with speed of light. Does it mean that if Earth's orbit will disturb after 2 years if a supermassive black hole suddenly appears 2 light years away? Is this related to gravitons which will transmit gravity by travelling at speed of light?

edited May 30 '18 at 08:45

Qmechanic

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asked May 30 '18 at 08:03

Moksha Kumar

What does it mean be gravity propagates with $c$?

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