NASAのインスタグラム(nasagoddard) - 2月7日 03時31分

A BARREL balloon is launched over Halley station to float above #Antarctica and observe magnetic fields. Balloon Array for Radiation-belt Relativistic Electron Losses (BARREL) is a balloon-based Mission of Opportunity to augment the measurements of NASA's Van Allen Probes spacecraft.

NASA's Balloon Program routinely launches payloads in Antarctica aboard balloons that can be as large as 40 million cubic feet. The balloons used for the BARREL mission are much smaller, only 0.3 million cubic feet, but can reach similar altitudes of nearly 130,000 feet because the balloons carry far less suspended weight.

The NASA Balloon Program has a year full of large-scaled missions from Hawaii, New Mexico and Antarctica.

Credit: NASA/Goddard/BARREL #nasagoddard #balloon #launch

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