In Antarctica in January, 2013 -- the summer at the South Pole -- scientists released 20 balloons, each eight stories tall, into the air to help answer an enduring space weather question: when the giant radiation belts surrounding Earth lose material, where do the extra particles actually go?
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/l...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/l...