Ordet hittades på dessa språk:
Definitioner
Substantiv
- the uppermost layer of a planet's atmosphere
- an extremely thin atmosphere, as on Saturn's moon Dione
Exempel
- "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)
Böjningsformer