The second BARREL balloon launch of the Antarctic campaign occurred on Dec. 31, 2013. BARREL's job is to help unravel the mysterious radiation belts, two gigantic donuts of particles that surround Earth.
The 2013-2014 BARREL balloon campaign is underway — this balloon was launched on Dec. 31, 2013 and is the second balloon launch of the Antarctic campaign. BARREL’s job is to help unravel the mysterious radiation belts, two gigantic donuts of particles that surround Earth.
Image Credit: BARREL/M. Krzysztofowicz