NASA mini-balloon mission maps migratory magnetic boundary

NASA mini-balloon mission maps migratory magnetic boundary Greenbelt MD (SPX) May 20, 2016 - During the Antarctic summer of 2013-2014, a team of researchers released a series of translucent scientific balloons, one by one. The miniature membranous balloons - part of the Balloon Array for Radiation-belt Relativistic Electron Losses, or BARREL, campaign - floated above the icy terrain for several weeks each, diligently documenting the rain of electrons falling into the atmosphere from Ear ... more

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