“Imagine two black holes that lived a long life together. At the end of their lives they are going around each other, crossing a thousand of kilometeres in a fraction of a second. As they do so they leave behind in their wake a ringing of space, an actual wave on space-time. Space squeezes and streches as it emanates out from these black holes banging on the universe.Those are the gravitational waves and are literally the sounds of space ringing and they will travel out from these black holes at the speed of light as they ring down and coalesce into one, spinning, quiet, black hole. If you were standing near enough, your ear would resonate with squeezing and streching of space, you would literally hear the sound. - The sound the universe makes | Ted”
Quote by Janna Levin
Author
Janna Levin
Janna Levin is an American college professor specializing in astrophysics and cosmology. Born in 1967, she is renowned for her contributions to the study of black holes and the origins of the universe. more
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