File:Ballooning in the constant sun of the South Pole summer (13991854852).jpg

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The BARREL team at Halley Research Station in Antarctica, work to inflate a balloon. The long tube on the left is the inflation tube used to fill the top of the balloon with helium.

Credit: NASA/Goddard/BARREL

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Three months, 20 balloons, and one very successful campaign. The team for NASA's BARREL – short for Balloon Array for Radiation belt Relativistic Electron Losses -- mission returned from Antarctica in March 2014. BARREL's job is to help unravel the mysterious Van Allen belts, two gigantic donuts of radiation that surround Earth, which can shrink and swell in response to incoming energy and particles from the sun and sometimes expose satellites to harsh radiation. While in Antarctica, the team launched 20 balloons carrying instruments that sense charged particles that are scattered into the atmosphere from the belts, spiraling down the magnetic fields near the South Pole. Each balloon traveled around the pole for up to three weeks. The team will coordinate the BARREL data with observations from NASA's two Van Allen Probes to better understand how occurrences in the belts relate to bursts of particles funneling down toward Earth. BARREL team members will be on hand at the USA Science and Engineering Festival in DC on April 26 and 27, 2014 for the exhibit Space Balloons: Exploring the Extremes of Space Weather.

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NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Source Flickr: Ballooning in the constant sun of the South Pole summer
Author NASA Goddard Space Flight Center
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This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 26 April 2014, 21:20 by 4ing. On that date, it was confirmed to be licensed under the terms of the license indicated.
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