Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The outermost region of a planet's atmosphere.
- noun The outermost region of the earth's atmosphere, lying above the thermosphere and extending thousands of kilometers into space, from which molecules having sufficient velocity can escape the earth's gravitation.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun the
uppermost layer of a planet'satmosphere - noun an extremely thin atmosphere, as on Saturn's moon
Dione
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the outermost atmospheric layer
Etymologies
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Examples
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One surprise is that in the initial data, sodium was seen in the spectroscopic data, and Colaprete said sodium exists in the Moon's tenuous atmosphere called the exosphere, and perhaps something got thermalized during the impact excite the sodium atoms to where strong visible emission lines showed up in the data.
Moon Impact Data and Images from LCROSS: First Glance | Universe Today 2009
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What is the nature of that atmosphere, more properly known as an exosphere, and what are its constituents?
CNET News.com 2011
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The observations are expected to yield new insights into how the magnetosphere "force field" works, as well as how thin the uppermost layer of Earth's atmosphere, called the exosphere, actually is, researchers said.
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The observations are expected to yield new insights into how the magnetosphere "force field" works, as well as how thin the uppermost layer of Earth's atmosphere, called the exosphere, actually is, researchers said.
Livescience.com 2010
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(HAARP) radar facility in Ramfjordmoen, Norway this past month has resulted in a "catastrophic puncturing" of our Plant's thermosphere thus allowing into the troposphere an "unimpeded thermal inversion" of the exosphere, which is the outermost layer of Earth's atmosphere.
Gates of Vienna 2010
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The strangest thing found in the exosphere was a persistent smear of neutral calcium near the edge of night and day.
"MAIN" via Steve in Google Reader Lisa Grossman - Wired 2010
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The observations are expected to yield new insights into how the magnetosphere "force field" works, as well as how thin the uppermost layer of Earth's atmosphere, called the exosphere, actually is, researchers said.
Livescience.com 2010
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The observations are expected to yield new insights into how the magnetosphere "force field" works, as well as how thin the uppermost layer of Earth's atmosphere, called the exosphere, actually is, researchers said.
SPACE.com 2010
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One surprise is that in the initial data, sodium was seen in the spectroscopic data, and Colaprete said sodium exists in the Moon's tenuous atmosphere called the exosphere, and perhaps something got thermalized during the impact excite the sodium atoms to where strong visible emission lines showed up in the data.
Universe Today 2009
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Moreover, the entire Solar System is well within the "exosphere" of the Sun, actually called a "heliosphere".
On Thursday, the Legg report will be published along with... 2009
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