- #1
The5thElement
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I read that the speed of light is constant, that everyone measures the same speed of light from their own reference frame.
Yet I have also read that light can't escape from a black hole, because of the gravitational effects. How can you measure it's speed at 'c' and yet at the same time not escape?
Yet I have also read that light can't escape from a black hole, because of the gravitational effects. How can you measure it's speed at 'c' and yet at the same time not escape?