A bounty of black holes surround the Sagittarius A supermassive black hole which lies at the center of our Milky Way Galaxy.

NASA began “sonifying” its famous photos of outer space to help people who are visually impaired enjoy the images. Recently, it recreated the sound of a black hole 240 million light-years away.

(Image credit: NASA/CXC/Columbia Univ./C. Hailey et al.)


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