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.
Spacecraft Records 'Chorus' of Space Sounds
By editor • Oct 19, 2012
Originally published on October 19, 2012 3:55 pm