单词	thermosphere
释义	thermosphere noun ther·​mo·​sphere ˈthər-mə-ˌsfir  : the part of the earth's atmosphere that begins at about 50 miles (80 kilometers) above the earth's surface, extends to outer space, and is characterized by steadily increasing temperature with height thermospheric ˌthər-mə-ˈsfir-ik  -ˈsfer- adjective Example Sentences Recent Examples on the Web The resulting interactions between the particles and a layer of the upper atmosphere, called the thermosphere, create the famous northern and southern lights. Kate S. Petersen, USA TODAY, 6 Aug. 2022 British billionaire Richard Branson inaugurated a new era by traveling to the thermosphere using his Virgin Galactic venture. Jon Sindreu, WSJ, 25 Feb. 2022 The billionaires had locked themselves in a dude-bro cold war, each eager to make history as the very first head of a space tourism brand to hurl himself into the thermosphere. Boone Ashworth, Wired, 18 July 2021 Amateur traders quickly embraced a company that aims to charge $250,000 for a few minutes of weightlessness in the lower thermosphere. Jon Sindreu, WSJ, 11 May 2021 And the thermosphere above is thin enough that air drag doesn’t burn orbiting satellites. Max G. Levy, Wired, 12 Feb. 2021 The company, founded by British billionaire Richard Branson, promises to take six passengers to experience a few minutes of weightlessness in the lower thermosphere in its cutting-edge SpaceShipTwo craft. ... Jon Sindreu, WSJ, 16 Aug. 2020 The team also simulated the thermosphere and allowed the sizes of impact aerosols to change over time. Nola Taylor Redd, Smithsonian Magazine, 27 Apr. 2020 The goal is to figure out the particle makeup of the thermosphere and ionosphere, known as the neutral atmosphere and map its changing temperatures. Richard Tribou, OrlandoSentinel.com, 26 Jan. 2018 See More Word History Etymology International Scientific Vocabulary First Known Use circa 1950, in the meaning defined above
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