exosphere
suomi-englanti sanakirjaexosphere englannista suomeksi
eksosfääri
Substantiivi
exosphere englanniksi
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)