‘Alien’ fans who increase Xenomorph will tell you that the sound is not in space. The problem is, that is not entirely true.
Back in May, during Black Hole Week, NASA released a scary sound clip from a black hole that shows that space does make a lot of noise, depending on where you see, it and how you process it.
This clip presents the sound of a large black hole located more than 200 million light years from the earth in the Perseus Galaxy cluster.
NASA’s listening to the void
The Perseus Galaxy Cluster is a grouping of 11 million years of galaxy covered with hot gas. Hot gas clouds are the key to sound waves that you can hear in a clip distributed by NASA (embedded below). A few decades ago, scientists found that the pressure wave came from the interior of Perseus. These waves ripple through the hot gas that surrounds the galaxy cluster, and these waves can be translated into sound.
Sound on earth occurs when sound waves vibrate atoms and molecules in the air. In space, everything is somewhat different. Space is a vacuum, which means vibrations do not have air to vibrate and make noise. Most importantly, that does not mean that vibration is not there. That is the principle imposed by NASA scientists for their voice clips.
In the case of the black hole Perseus, the cosmic giant is very close to the gas cluster cloud so that it can make vibrations of sound waves in the form of gas ripples. In 2003, the astronomer team from NASA’s Chandra X-Ray Observatory took astronomy data from this ripple and translated it into the voice. Unfortunately, the sounds are 57 large octaves under the middle of C, which means they cannot be heard by human ears.
Remixed Black Hole Sound
To make a sound in a new clip that was heard by the human ear, NASA increased sound data by 57 and 58 octaves so that we can all listen to a large black hole in the middle of the Perseus Galaxy cluster. In a blog post, NASA wrote that the sound waves “heard 144 quadrillions and 288 quadrillion times were higher than the original frequency.”
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