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Urban Sky Remote Sensing balloons operate in the stratosphere at an altitude of about 20km (about 65,000 feet), and are roughly the size of a car at launch with a payload attached underneath. [18] [19] The balloons grow in volume as they ascend and are roughly 11 times larger in the stratosphere than when they are near the ground. [20]
Explorer II was a crewed U.S. high-altitude balloon that was launched on November 11, 1935, and reached a record altitude of 22,066 m (72,395 ft). Launched at 8:00 am from the Stratobowl in South Dakota, the helium balloon carried a two-man crew consisting of U. S. Army Air Corps Captains Albert W. Stevens and Orvil A. Anderson inside a sealed, spherical cabin.
In 1934 the NGS and Air Corps co-sponsored the Explorer, a manned high-altitude balloon capable of stratospheric flight. After the crash of the Soviet Osoaviakhim-1 that nevertheless set an altitude record of 72,178 feet (22,000 m), the sponsors redefined their primary objectives from record-setting to scientific research and tests of new navigation instruments. [1]
The balloon will be launched into the upper stratosphere, where it will pop and release its gas. That gas will ever-so-slightly reflect back the sun’s rays, infinitesimally cooling the Earth.
Balloons originally designed to monitor volcanoes on Earth to test if they can help explore other planets Scientists baffled as balloons in stratosphere record mysterious sounds of ‘completely ...
The balloon will test changes in aerosols in the stratosphere. One thing scientists, conservationists and researchers are clear on is that solar geoengineering is not a get-out-of-jail card for ...
The Explorer human spaceflight experience (so called by World View, even though the flight would not reach space by any standards) is under development with the goal of carrying private individuals to approximately 100,000 ft (30.48 km) above Earth inside a pressurized capsule lofted by a helium-filled high-altitude balloon.
Red Bull Stratos was a high-altitude skydiving project involving Austrian skydiver Felix Baumgartner.On 14 October 2012, Baumgartner flew approximately 39 kilometres (24 mi) [1] [2] [3] into the stratosphere over New Mexico, United States, in a helium balloon before free falling in a pressure suit and then parachuting to Earth. [4]