exosphere
Collocations
3ADJ.
below, highest
EXOSPHERE + NOUN
'cassini, outermost
PREP.
from, on
Definitions
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', , JPL, Mar. 02, 2012)
Thesaurus
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Antonyms
Idioms & Phrases
Example Bank
5"Scientists weren't even sure Dione would be big enough to hang on to an exosphere" ('Cassini Detects Hint of Fresh Air at Dione', , JPL, Mar. 02, 2012)
WiktionaryThe exosphere is the outermost layer of our atmosphere.
Tatoeba · #5322372The exosphere is the highest layer of the atmosphere. It extends from the top of the thermosphere up to 10,000 kilometers.
Tatoeba · #5350129Air atoms and molecules are constantly escaping to space from the exosphere.
Tatoeba · #5350130The thermosphere is located above the mesosphere and below the exosphere.
Tatoeba · #12024952