It sound like the call of an extraterrestrial bird mintage , but the transcription featured in the video up top ( and the player , down below ) is actually made by our very own satellite . Scientists call the eerie episode of quavering whooping auditory sensation “ chorus ” — and this is one of the clearest instance of the phenomena NASA has ever recorded .
concord to The bureau :
chorus line is an electromagnetic phenomenon due to plasma waves in Earth ’s radioactivity belt . For years , ham wireless operators on Earth have been listen to them from afar . Now , NASA ’s twinned Radiation Belt Storm Probes are locomote through the region of space where Greek chorus actually do from — and the recordings are out of this human race .

“ This is what the radiation belt would vocalise like to a human being if we had radio antennas for ear , ” enounce [ Physicist Craig Kletzing ] , whose team at the University of Iowa build up the “ EMFISIS ” ( Electric and Magnetic Field Instrument Suite and Integrated Science ) recipient used to pick up the signals .
Intriguingly , the chorus emissions detected by EMFISIS are cogitate by some to give wage increase to so - send for “ sea wolf electrons ” — particles with unusually eminent energy that may pose a threat to satellites and astronauts . researcher study the propagation of the radio waves that comprise Earth ’s Greek chorus , hope to shed lighting on whether our planet ’s call is , in fact , responsible for these potentially harmful speck .
Watch the TV , and listen to the selection of refrain , for more info .

[ ViaNASA ]
AstrophysicsEarthNASAPhysicsScienceSpace
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