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Exosphere - What does it mean?

exosphere | |

is likely misspelled.


has no English definition.

As a noun exosphere

is the uppermost layer of a planet's atmosphere.

exosphere

Noun

(en noun)
  • the uppermost layer of a planet's atmosphere
  • an extremely thin atmosphere, as on Saturn's moon Dione
  • * "Scientists weren't even sure Dione would be big enough to hang on to an exosphere " ('Cassini Detects Hint of Fresh Air at Dione', Cassini Solstice Mission, JPL, Mar. 02, 2012)
  • Not English

    has no English definition. It may be misspelled.