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"content": "<p>NASA created an audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years away.</p><p>The black hole is at the center of the Perseus cluster of galaxies. The acoustic waves coming from it have been transposed up 57 & 58 octaves so they're audible to human hearing.</p><p>The result, released by NASA in 2022, is a sort of unearthly howling that, if we're honest, sounds not only spooky, but a little bit angry:<br /><a href=\"https://youtu.be/ioR5np1fmEc\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">youtu.be/ioR5np1fmEc</span><span class=\"invisible\"></span></a></p><p><a href=\"https://urbanists.social/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a> <a href=\"https://urbanists.social/tags/BlackHole\" class=\"mention hashtag\" rel=\"tag\">#<span>BlackHole</span></a> <a href=\"https://urbanists.social/tags/NASA\" class=\"mention hashtag\" rel=\"tag\">#<span>NASA</span></a></p>",
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"name": "Listen to The Eerie 'Sounds' From A Black Hole, Captured by NASA Space\n28 January 2025\nBy Michelle Starr\n\nChandra image of the Perseus cluster. (NASA/CXC/SAO/E.Bulbul, et al.)\t\n\nA version of this article was first published in May 2022.\n\n\n",
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