geocorona

== English == === Etymology === From geo- +‎ corona. From being the luminous part of the atmosphere, the outermost region of Earth's atmosphere. === Noun === geocorona (plural geocoronas) (Earth's atmosphere, chiefly uncountable) The region of ionized hydrogen (protons) that makes up the outermost region of the Earth's atmosphere (and by extension of other planets.) (meteorology, plasma physics, space physics, by extension) Analogs of the geocorona; Synonym of protonosphere. ==== Synonyms ==== ==== Coordinate terms ==== ==== Related terms ==== ==== Translations ==== ==== See also ====