This Is Why The Speed Of Gravity Must Equal The Speed Of LightsteemCreated with Sketch.

in hive-116221 •  5 years ago 

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It's a known measured fact that the speed of light is travelling at the speed of three hundred thousand kms/s through the space vacuum. The light that's arriving here on Earth, right at this very moment, was emitted from the Sun's photosphere a finite amount of time in the past, and is only being seen now after a journey across the 150 million km (93 million miles) separating the Sun from the Earth. If the Sun were to go dark right now, we wouldn't find out until the light stopped arriving. But what about gravitationally?



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hive-116221 dlike universe general relativity
5 years ago by

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