单词	mesosphere
释义	mesosphere noun me·​so·​sphere ˈme-zə-ˌsfir  ˈmē-, -sə- : the part of the earth's atmosphere between the stratosphere and the thermosphere in which temperature decreases with altitude to the atmosphere's absolute minimum mesospheric ˌme-zə-ˈsfir-ik  ˌmē- -sə- -ˈsfer- adjective Example Sentences Recent Examples on the Web High in the mesosphere above Earth’s North and South Poles, feathery, glowing clouds occasionally stripe the night sky. Elizabeth Gamillo, Smithsonian Magazine, 10 Mar. 2021 World View plans to use a balloon to take tourists to what part of Earth's atmosphere: the stratosphere, the mesosphere, or the troposphere? CNN, 16 Apr. 2020 His popularity, based on the raft of toys, fashion collaborations and multimillion dollar auction results, hovers somewhere near the mesosphere. Max Lakin, New York Times, 20 Feb. 2020 But sussing out what gives the dunes their dazzling gleam might help researchers figure out what’s going on in the mesosphere as well. Katherine J. Wu, Smithsonian Magazine, 29 Jan. 2020 Palmroth and these citizen scientists have already broken ground on dune aurora research and are hoping that additional analysis will unlock more information about the mysterious mesosphere. Daisy Hernandez, Popular Mechanics, 3 Feb. 2020 This is the first time that Virgin Galactic has flown into the mesosphere, Ars reports. Eric Berger, Ars Technica, 3 Aug. 2018 The study suggested that increased methane emissions — added to the atmosphere by humans extracting and burning fossil fuels — have increased water vapor concentrations in the mesosphere by about 40 percent since the late 1800s. Katie Camero, BostonGlobe.com, 13 July 2018 In fact, the mesosphere contains very little moisture — just a tiny fraction of the level of moisture in the air in the Sahara. Kathryn Prociv, Washington Post, 30 Mar. 2018 See More Word History Etymology meso- + -sphere First Known Use 1950, in the meaning defined above
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