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Listen to the Earth’s “Dawn Chorus”
The Sound of Earthsong
The RBSP spacecraft’s Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) instrument has beamed back a beautiful Chorus sung by our own planet.
Chorus is an electromagnetic phenomenon caused by plasma waves in Earth’s radiation belts, made up of radio waves that oscillate at acoustic frequencies. They are thought to be the waves that energize the electrons that make up the outer radiation belt.
Check out the video from Nasa.gov and listen to the:...
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