NASA’s experimental super-pressure balloons are circling Antarctica

NASA’s experimental super-pressure balloons are circling Antarctica

New Delhi: NASA is evaluating new super-pressure balloons in flights that circle Antarctica, after being launched from New Zealand. These experimental super-pressure balloons carry scientific payloads, but the primary purpose of the mission is to demonstrate the balloons itself, and evaluate their performance. The super-pressure balloons are pressurised 532,000-cubic-meter vehicles designed to float at a constant density altitude despite the hea…