NASA discovers what a black hole sounds like

Image Credit:dailyexpress

After nearly 20 years since its discovery, NASA has successfully altered the sound of a black hole so that human ears can hear it.

Image Credit:ladbible

The music in the Perseus Galaxy was acquired by NASA's Chandra X-ray Observatory, which is famed for its many "sonifications," or sound reproductions of galactic data.

After 53 hours of observation, scientists discovered a noise-making black hole at the heart of the Perseus Galaxy in 2003

 According to the observatory, the "copious volumes of gas" in this galaxy cluster provided the medium for sound waves to travel

indicating that space isn't a full vacuum and hence silent.

This noise, however, was roughly 57 to 58 octaves lower than middle C, at around a B flat

Image Credit:dnaindia

 The note was scaled up to 144 quadrillion and 288 quadrillion times higher by scientists at the observatory in order for human ears to hear it.

Image Credit:dailyexpress

In exchange, sound waves travelling through the galaxy's gas are transformed into heat

Image Credit:news18

preventing the galaxy from cooling and turning into trillions of stars in space.

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