- geocorona
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The region of ionized hydrogen that makes up the outermost region of the Earths atmosphere. (And by extension of other planets.)
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geocorona
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geocorona — [jē΄ōkə rō′nə] n. the envelope of ionized gases, esp. hydrogen, surrounding the earth at the outer limit of the atmosphere … English World dictionary
Geocorona — 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… … Wikipedia
Geocorona — La geocorona (qui signifie couronne terrestre) est la partie lumineuse de la région la plus externe de l atmosphère terrestre, l exosphère. Elle est visible principalement par le rayonnement dans l ultraviolet lointain (Lyman alpha) du Soleil qui … Wikipédia en Français
geocorona — geocoronal, adj. /jee oh keuh roh neuh/, n. a belt of ionized hydrogen surrounding the earth at the outer limit of the exosphere. [1955 60; GEO + CORONA] * * * … Universalium
geocorona — geo·corona … English syllables
geocorona — ¦jēəˌ noun Etymology: ge + corona : the outermost part of the earth s atmosphere consisting primarily of hydrogen * * * geocoronal, adj. /jee oh keuh roh neuh/, n. a belt of ionized hydrogen surrounding the earth at the outer limit of the… … Useful english dictionary
Magnetosphere — A magnetosphere is formed when a stream of charged particles, such as the solar wind, interacts with and is deflected by the intrinsic magnetic field of a planet or similar body. Earth is surrounded by a magnetosphere, as are the other planets… … Wikipedia
TWINS — This article is about the NASA instruments. For other uses of Twins , see Twins (disambiguation). TWINS Operator NASA Instrument Type … Wikipedia
Exosphere — Earth atmosphere diagram showing the exosphere and other layers. The layers are to scale. From Earth s surface to the top of the stratosphere (50km) is just under 1% of Earth s radius. The exosphere is the uppermost layer of Earth s atmosphere.… … Wikipedia
Astrid (satellites) — Infobox Spacecraft Name = Astrid 1 Caption = Astrid 1. Organization = Swedish National Space Board Major Contractors = Swedish Space Corporation Mission Type = Orbiter Satellite Of = Earth Orbital Insertion Date = Launch = January 24, 1995 (03:54 … Wikipedia
