The geocorona is the luminous part of the outermost region of the Earth`s atmosphere, the exosphere. It is seen primarily via far-ultraviolet light (Lyman-alpha) from the Sun that is scattered from neutral hydrogen. It extends to at least 15.5 Earth radii. The geocorona has been studied from outer space by the Astrid satellites and the Galileo sp....
Found on
http://en.wikipedia.org/wiki/Geocorona
A halo-like extension of the exosphere out to several Earth radii, consisting of very tenuous hydrogen atoms, off which solar far-ultraviolet light is reflected.
Found on
http://www.daviddarling.info/encyclopedia/G/geocorona.html
The outermost layer of the Earth´s neutral atmosphere, a huge cloud of hydrogen surrounding our planet. Its density diminishes with distance and it has been observed up to distances of 5-6 Earth radii.
Found on
https://www.encyclo.co.uk/local/20687
No exact match found.
