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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. In 2013, a balloon named BS 13-08 reached a record altitude of 53.7 km (33.4 mi; 176,000 ft). [1]
A weather balloon, also known as a sounding balloon, is a balloon (specifically a type of high-altitude balloon) that carries instruments to the stratosphere to send back information on atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde.
Stratospheric Balloon 10 (8 passengers, 1 pilot, 1 concierge) 5.5 4,500 ... Rockoon system (high-altitude balloon and space launcher) 3 + high-altitude balloon LEO
A high altitude platform can provide observation or communication services. A high-altitude platform station (HAPS, which can also mean high-altitude pseudo-satellite or high-altitude platform systems), also known as atmospheric satellite, is a long endurance, high altitude aircraft able to offer observation or communication services similarly to artificial satellites.
Urban Sky was founded in 2019 with the goal of increasing access to the stratosphere, and reducing the cost of remote sensing through balloon miniaturization and new approaches to balloon control. In 2020 Urban Sky began routine stratospheric operations and became the first company ever to reuse a stratospheric balloon. [3] [7]
Early studies suggest that stratospheric aerosol injection might have a relatively low direct cost. One analysis estimated the annual cost of delivering 5 million tons of an albedo enhancing aerosol to an altitude of 20 to 30 km is at US$2 billion to 8 billion, an amount which they suggest would be sufficient to offset the expected warming ...
World View was founded and incorporated in 2012 by a team of aerospace and life support veterans and designs, manufactures and operates stratospheric balloon flight technology and services for a variety of customers and applications, most notably space tourism and stratospheric observation services.
A Loon balloon at the Christchurch launch event in June 2013. Loon LLC was an Alphabet Inc. subsidiary working on providing Internet access to rural and remote areas. The company used high-altitude balloons in the stratosphere at an altitude of 18 km (11 mi) to 25 km (16 mi) to create an aerial wireless network with up to 1 Mbit/s speeds.