NASA has released a playlist of eerie recordings from the solar system. The playlist is available on NASA’s website. 

The playlist features sonifications of digital data that is transformed into sound. The recordings were captured by space agencies’ tools, including Hubble. The playlist contains sounds from Mercury to Jupiter. 

Some of the recordings include: 

• A “haunting” audio clip taken from a black hole 
• A recording of a black hole at the center of a galaxy 

Some Twitter users have called the sounds “100 times more frightening than you could have imagined” and have compared them to “billions of souls wailing in anguish

NASA has compiled a bunch of sonifications into a playlist that has been. From Mercury to Jupiter, the playlist contains all the eerie sounds recorded by Hubble and other space tools. It also has the sound of a supermassive black hole, humming in space 250 million light years away

NASA uses special tools to listen to sound waves in space. These tools include: 

• Van Allen Probe: A technology developed by NASA in 2012 to capture sounds in space. 
• Sonification technology: A process that uses non-speech audio to convey information or perceptualize data. 
• Rosetta Plasma Consortium (RPC) magnetometer: A tool that measures sound wave vibrations in the magnetic field of comets. 
• EMFISIS: A tool that translates fluctuating electromagnetic waves into sound waves. 

NASA also uses landers with microphones to pick up sounds from planets. For example, NASA’s Perseverance rover was the first to pick up sounds from Mars in February 2021. 

NASA records sound in space by: 

1. Recording waves that can travel in space without a medium. These waves include radio waves, plasma waves, magnetic waves, gravitational waves, and shock waves. 
2. Transferring the data to earth-based stations, where the waves are sound coded. 
3. Interpreting the electromagnetic vibrations or seismic vibrations of a planet or moon into sound.

NASA recorded the sound of a black hole using data from several telescopes: 

• Chandra X-ray Observatory 
• Hubble Space Telescope 
• Atacama Large Millimeter Array (ALMA) in Chile 

NASA used a process called “sonification” to create the audio. Sonification is a process that uses non-speech audio to convey information or perceptualize data. 

The audio was originally 57 octaves below middle C, which meant the frequency had to be raised “quadrillions” of times to be heard by human ears. The sound waves were extracted radially, or outwards from the supermassive black hole at the center of the Perseus cluster. The sound waves were played in an anti-clockwise direction from the center, so that we can hear the sounds in all directions. 

The sound waves were previously identified by astronomers but have been made audible for the first time. Scientists say the black hole sends out pressure waves that cause ripples in the hot gas, which can be translated into a note.

NASA has recorded sounds from Mars. The Perseverance rover recorded the first sounds from another planet. The sounds include: 

• The winds of Mars’ atmosphere 
• The sound of Perseverance’s tires rolling on the surface 
• The snapping sound of the rover’s laser hitting a rock 

The Perseverance rover has two microphones that make it sound like you’re “really standing there”. The audio clips were made available to people on Earth in 2022.

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