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Cosmic Queries – Why Are We Here?
StarTalk Radio
What Happens When You Point Your Laser Out of a Black Hole?
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Gravity redshifts the light. If you adjust outside the event horizon it did the same thing. You can try to point your laser out of the black hole and see if anybody gets the signal. They won't. Why not? Because it's climbing out of the gravitational well that the black hole is. And so that's what would happen to the light. To the this was only about light or did they also ask about time? Well, yeah. So he started off saying I wanted to know about gravity and its influence on time. Yeah. He remembers from Interstellar they're on a planet orbiting a black hole. Right. That's the scene where he comes back and the guy
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