Is something eating the universe? (Black holes)
Mysteries of Science
00:00
Listen to a Black Hole
Radio waves are used for communications on earth and elsewhere. They do a good job of traveling 26,000 light years from the center of our galaxy to us through all the dust and gas and stars because they're very long wavelength. So we've looked at a black hole. But how would you like to listen to one? Yes, please.
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