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mesosphere |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.23 sec. |
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mesosphere: see atmosphere atmosphere [Gr.,=sphere of air], the mixture of gases surrounding a celestial body with sufficient gravity to maintain it. Although some details about the atmospheres of other planets and satellites are known, only the earth's atmosphere has been well studied, the ..... Click the link for more information. . mesosphere 1. the atmospheric layer lying between the stratosphere and the thermosphere, characterized by a rapid decrease in temperature with height 2. the solid part of the earth's mantle lying between the asthenosphere and the core How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A 50-kilometer-thick band called the mesosphere roughly defines the sprites' habitat. If it actually originated from sea salt broken apart by ultraviolet radiation in the stratosphere, as Beckmann contended, the ATMOS instrument and various observatories should have detected it streaming up from the stratosphere to the mesosphere, especially since sodium is easily detectable by absorption spectroscopy, as Beckmann himself pointed out. Later this year, Orbital is scheduled to launch NASA's Aeronomy of Ice in the Mesosphere (AIM) spacecraft, which is now in production at Orbital's Dulles, Virginia satellite manufacturing facility. |
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