playtherecords: December 2007

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Wednesday, December 19, 2007

Listening to Northern Lights

A Minnesota Planetarium Video- Natural Radio: When solar flares hit the Earth's magnetic field, the skies at both poles can light up with auroras. The particles also create very low frequency electromagnetic waves, a type of natural radio that can be picked up around the globe. Every year sound recordist Steve McGreevy heads north where the reception is best and points his receiver at the sky. Made for use in the Planetarium dome, thus the circular frame of the images)

Thanks to .hc for finding this...