Meaning Of The Word Exosphere
What's the definition of Exosphere? Find Exosphere meanings, definitions and more at the Real Dictionary online.
Exosphere Meaning
| Exosphere Definition |
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What's The Definition Of Exosphere?
exosphere in American English
the outermost portion of a planet's, esp. the earth's, atmosphere, consisting of a hot layer of light atoms often moving at escape velocity noun: the highest region of the atmosphere, where the air density is so low that a fast-moving air molecule is more than 50 percent likely to escape from the atmosphere instead of hitting other molecules exosphere in British English noun: the outermost layer of the earth's atmosphere. It extends from about 400 km above the earth's surface |
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