geocorona


Also found in: Encyclopedia, Wikipedia.
Related to geocorona: Lagrangian point

ge·o·co·ro·na

 (jē′ō-kə-rō′nə)
n.
The ultraviolet light emanating from the outermost region of the earth's atmosphere, consisting chiefly of sunlight absorbed and then reemitted from hydrogen atoms.

geocorona

(ˌdʒiːəʊkəˈrəʊnə)
n
(Physical Geography) the outer layer of the earth's atmosphere
Translations
References in periodicals archive ?
* They believe the geocorona spreads all the way to the Moon
This uppermost layer, until 13000 km observable from space as the geocorona, extends up to 100000 km.
-- Discoveries: plasmaspheric shoulders and notches, proton auroras in unexpected places, surprisingly slow plasmasphere rotation, a hot oxygen geocorona and a secondary interstellar neutral atom stream.