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original space-rock!

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cstack3 View Drop Down
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    Posted: May 09 2022 at 13:37
You may have seen this in the news, I find this "music of the spheres" fascinating!  I'd love to play Robert Fripp-style distorted guitar lead on top of this sound file!!  The text below describes what the clip is.  Cheers, Charles 





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Since 2003, the black hole at the center of the Perseus galaxy cluster has been associated with sound. This is because astronomers discovered that pressure waves sent out by the black hole caused ripples in the cluster's hot gas that could be translated into a note — one that humans cannot hear some 57 octaves below middle C. Now a new sonification brings more notes to this black hole sound machine. This new sonification — that is, the translation of astronomical data into sound — is being released for NASA's Black Hole Week this year. In some ways, this sonification is unlike any other done before (1, 2, 3, 4) because it revisits the actual sound waves discovered in data from NASA's Chandra X-ray Observatory. The popular misconception that there is no sound in space originates with the fact that most of space is essentially a vacuum, providing no medium for sound waves to propagate through. A galaxy cluster, on the other hand, has copious amounts of gas that envelop the hundreds or even thousands of galaxies within it, providing a medium for the sound waves to travel. In this new sonification of Perseus, the sound waves astronomers previously identified were extracted and made audible for the first time. The sound waves were extracted in radial directions, that is, outwards from the center. The signals were then resynthesized into the range of human hearing by scaling them upward by 57 and 58 octaves above their true pitch. Another way to put this is that they are being heard 144 quadrillion and 288 quadrillion times higher than their original frequency. (A quadrillion is 1,000,000,000,000,000.) The radar-like scan around the image allows you to hear waves emitted in different directions. In the visual image of these data, blue and purple both show X-ray data captured by Chandra. Credit: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A. Santaguida)


Edited by cstack3 - May 09 2022 at 16:00
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SteveG View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote SteveG Quote  Post ReplyReply Direct Link To This Post Posted: May 09 2022 at 14:17
Interstellar Overdrive? Interesting stuff Charles.
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Manuel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Manuel Quote  Post ReplyReply Direct Link To This Post Posted: May 09 2022 at 16:17
Very interesting. I wander what else they’ll be able to find. 
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Progosopher Quote  Post ReplyReply Direct Link To This Post Posted: May 09 2022 at 18:49
I love these kinds of sounds. I have NASAs five-disc Symphonies of the Planets. Very cool, indeed. The literal music of the spheres.
The world of sound is certainly capable of infinite variety and, were our sense developed, of infinite extensions. -- George Santayana, "The Sense of Beauty"
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