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The BLAST high-altitude balloon just before launch on June 12, 2005. High-altitude balloons or stratostats are usually uncrewed balloons typically filled with helium or hydrogen and released into the stratosphere, generally attaining between 18 and 37 km (11 and 23 mi; 59,000 and 121,000 ft) above sea level.
USSR-1 (Russian: СССР-1) was a record-setting, hydrogen-filled Soviet Air Forces high-altitude balloon designed to seat a crew of three and perform scientific studies of the Earth's stratosphere. On September 30, 1933, USSR-1 under Georgy Prokofiev's command set an unofficial [2] world altitude record of 18,501 m (60,699 ft). [3]
Based on the 2023 American Institute of Aeronautics and Astronautics Balloon Technical Committee year end report and the StratoCat balloon flight database (which showed collectively 98 high altitude balloon flights flown by other, non-Urban Sky, operators in 2023) the Microballoon type high altitude balloon was the third most prevalent type of ...
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The U.S. military is monitoring an unidentified "small" balloon flying at high altitudes over the west, according to two U.S. officials and a defense official.
A zero-pressure balloon (ZP) is a style of aerostatic balloon that is unsealed at its base, creating a mechanism by which lifting gas can vent out the bottom of the balloon when the balloon becomes full, allowing the balloon to float at stable altitudes. During the day the gas heats up in the sun, and at night the gas cools causing them to descend.
Ben Miller, the center’s director, tells CNN that balloons could provide a connectivity solution, adding that it is currently involved in a project with another high-altitude balloon company ...
A Skyhook balloon launched in 1957 to photograph the Sun. Skyhook balloons were high-altitude balloons developed by Otto C. Winzen and General Mills, Inc.They were used by the United States Navy Office of Naval Research (ONR) in the late 1940s and 1950s for atmospheric research, especially for constant-level meteorological observations at very high altitudes.
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