NASA's BARREL mission launches 20 balloons
Tuesday, May 21, 2013 - 18:00
in Astronomy & Space
(Phys.org) —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?