Ghostly sound from Earth’s magnetic field released by the European Space Agency
The European Space Agency (ESA) has released a ghostly crackling noise that reveals what Earth’s magnetic field sounds like. The magnetic field is not something we can actually see, but is a complex and dynamic bubble that protects us from cosmic rays and charged particles carried by powerful winds (called solar flares) that flow from the sun.
From ESA, researchers at the Technical University of Denmark took magnetic signals, measured by the space agency’s Swarm satellite mission, dedicated to investigating the magnetic field, and converted them into sound. The results, they say, are quite terrifying.
The five-minute audio includes eerie creaks, crackles and deep breathing sounds.
Listen to the sound here:
Musician and project supporter Klaus Nielsen, from the Technical University of Denmark, said: “The team took data from ESA’s Swarm satellites and other sources, and used these magnetic signals to manipulate and control a sonic representation of the nuclear field. has certainly been a rewarding exercise in bringing art and science together,” said ESA’s official website.
“We gained access to a very interesting sound system made up of over 30 speakers dug into the ground in Copenhagen’s Solbjerg Square. “We’ve set it up so that each speaker represents a different location on Earth and shows how our magnetic field has fluctuated over the past 100,000 years,” he continued.
According to ESA, loudspeakers in Solbjerg Square in Copenhagen, Denmark, have broadcast the recording three times a day since the discovery was unveiled on October 24.
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They added that the intent of this activity is not to scare people, but to remind them that magnetic fields exist and that the existence of life on Earth depends on them.
The trio of swarm satellites are used to understand how the magnetic field is generated by precisely measuring the magnetic signals emanating from Earth’s core, mantle, crust and oceans. It also includes the ionosphere and magnetosphere.
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