NASA captures Earth's 'song'

[Deano]

A NASA spacecraft has captured a beautiful song "sung" by our own planet.

The noise - which sounds similar to whale song - is called a "chorus", Craig Kletzing of the University of Iowa explained.

"This is one of the clearest examples we've ever heard," he told NASA Science.

Chorus is made of radio waves that oscillate at acoustic frequencies, between 0 and 10 kHz, which can be picked up by magnetic search coil antennas on the Radiation Belt Storm Probes.
Full story & audio NZHeraldhttp://www.nzherald.co.nz/technology/news/article.cfm?c_id=5&objectid=10837960

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