The Balloon Array for Radiation belt Relativistic Electron Losses , or BARREL , launched 20 instrument - laden balloons in the eternal day of Antarctic summertime . Now the squad is home , and the photos of their flying plastic man-of-war exploring the sky for science are fantastic .
BARRELis impart data to understanding theVan Allen belts , two mammoth donuts of radiation surround the Earth that change shape in reply to solar particles . Each of the 20 balloons cast in the polar atmosphere for up to three weeks .
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start to inflate a balloon .
The ballon pomposity continues in the background knowledge , with a cautiously - drape xanthous parachute in the foreground .
Launching a balloon .
A fully - inflated balloon transport a small , 20 - kilo instrument payload during the flights .
In unagitated conditions , the crew performsa Low Wind Danceto beckon enough tip to launch another balloon .
Check out the full NASA Goddard photograph art gallery for the BARREL project . All photographs recognition NASA
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