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Fri October 19, 2012
Spacecraft Records 'Chorus' of Space Sounds
Originally published on Fri October 19, 2012 3:55 pm
A NASA spacecraft captured the clearest recording yet of what space sounds like inside Earth's radiation belts. Craig Kletzing, a professor of physics and astronomy at the University of Iowa, explains what causes these eerie chirping noises, and what we can learn from them.