EXOSPHERES

10 letters 22 Scrabble points

Definition of EXOSPHERES

noun

  1. The uppermost layer of a planet's atmosphere

  2. 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)"

Source: Wiktionary

Word Details

Letters E X O S P H E R E S
Length 10 letters
Scrabble Score 22 points