- variable earth
- n BrE cf ↑variable ground AmE ELECTRON variable Erde f
Dictionary English-German Informatics. 2015.
variable earth
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Earth's gravity — Earth s gravity, denoted by g , refers to the gravitational attraction that the Earth exerts on objects on or near its surface. Its strength is usually quoted in terms of the acceleration it gives to falling bodies (acceleration due to gravity),… … Wikipedia
variable star — n. a star whose brightness varies from time to time as the result of causes operating outside the earth s atmosphere: see CEPHEID (VARIABLE), RR LYRAE VARIABLES … English World dictionary
Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Variable Star — For the astronomical object, see Variable star. infobox Book | name = Variable Star title orig = translator = image caption = author = Robert A. Heinlein Spider Robinson cover artist = Stephan Martiniere country = United States language = English … Wikipedia
earth — /errth/, n. 1. (often cap.) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a… … Universalium
variable star — Astron. a star that varies markedly in brightness from time to time. Also called variable. [1780 90] * * * Star whose observed brightness varies noticeably in intensity. Pulsating variables expand and contract in cycles, pulsating rhythmically in … Universalium
Variable Specific Impulse Magnetoplasma Rocket — Artist s impression of several VASIMR engines propelling a craft through space The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electro magnetic thruster for spacecraft propulsion. It uses radio waves to ionize and heat a… … Wikipedia
Earth radius — The Earth s shape, like that of all major planets, approximates a sphere. A true sphere has a unique radius, but on Earth the distance from the mean sea level at each point on the surface to the center (the radius of the Earth at a point on the… … Wikipedia
Earth's atmosphere — ppmvThe composition figures above are by volume fraction (V%), which for ideal gases is equal to mole fraction (that is, the fraction of total molecules). Although the atmosphere is not an ideal gas, nonetheless the atmosphere behaves enough like … Wikipedia
Variable specific impulse magnetoplasma rocket — VASIMR Illustration d un vaisseau interplanétaire futuriste à propulsion électromagnétique à plasma VASIMR VASIMR, acronyme de Variable specific impulse magnetoplasma rocket[1] : « Fusée magnétoplasma à impulsion spécifique… … Wikipédia en Français
