thermosphere
noun
environmentspecializeduk/ˈθɜː.mə.sfɪər/us/ˈθɝː.moʊ.sfɪr/[C]
thelayerof a planet'satmosphereabove themesosphereand below theexosphere:
It is animportantprocessin theMartianthermosphere.
Atnightthe thermosphere ofVenuscoolsfarmore than that ofMars.
the thermosphere
[S]
theregionof the earth'satmospherethat is above themesosphereand in which thetemperatureincreaseswithheight:
Nitricoxidecancoolthe veryhotgasthatsurroundstheearthknownas the thermosphere.
Above thetroposphere, theatmosphereisdividedinto thestratosphere,mesosphere, and thermosphere.
Compare
asthenosphere
theatmosphere
biosphere
exosphere
hydrosphere
ionosphere
lithosphere
mesosphere
stratosphere
troposphere
- DoesVenushave a thermosphere?
- The thermospheres ofMarsandVenushavecomparabletemperaturesonly for the sun-facingsideofVenus.
- Higherstill are themesosphereand thermosphere.
- Theplanewould userocketboosterstoshootatsupersonicspeedto about 63milesinto the thermosphere.
The Earth & outer space - general words
- ablate
- aeolian
- alluvium
- anti-gravity
- atmosphere
- auroral
- biosphere
- geo-
- geophysicist
- globe
- lithosphere
- lithospheric
- mesosphere
- mesospheric
- microgravity
- the Big Bang
- the big bang theory
- the firmament
- underground
- universe