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The Sound of the Big Bang

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Published on Apr 3, 2013

A decade ago, American physics professor John Cramer released an audio file -- the sound of the Big Bang. Now with new data from ESA's Planck mission Cramer reran his simulation and released this hi-fidelity version.
What you here is a sound wave calculated from the cosmic background radiation spectrum, extrapolated back and forth in time to gain a 50 seconds version of the theorized sound waves for the first 760,000 years after the Big Bang. During that time the universe was dense enough to carry sound waves similar to Earth's atmosphere.

If this is at least similar to what was really going on in terms of sound of the Big Bang could be revealed by a LISA-class mission, expected to launch in 2028. For the very first time we will then be able to listen to the tiny fluctuations in spacetime caused by accelerated matter. This will tell us about the dark side of our Universe, yet unknown objects, and maybe even about the Big Bang itself.

Sound: © 2013 by John G. Cramer, University of Washington, http://faculty.washington.edu/jcramer...
Music: First Hero by Vera Ohl, musicfox UG
Video: NASA, ESA and the Planck Collaboration, AEI / Milde Marketing / Exozet

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