equatorial radius

См. также в других словарях:

• Radius of curvature (applications) — The distance from the center of a sphere or ellipsoid to its surface is its radius. The equivalent surface radius that is described by radial distances at points along the body s surface is its radius of curvature (more formally, the radius of… …   Wikipedia

• Equatorial — has different meanings:* In geography it relates to the equator of the Earth. * In meteorology, an Equatorial climate is the type of climate experienced near the equator. * In geometry, it refers to the ring shaped outer boundary of the cross… …   Wikipedia

• Equatorial bulge — An equatorial bulge is a bulge which a planet may have around its equator, distorting it into an oblate spheroid. The Earth has an equatorial bulge of 42.72 km (26.5 miles) due to its rotation: its diameter measured across the equatorial plane… …   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

• List of Solar System objects by radius — This is a list of Solar System objects by radius, arranged in descending order of mean volumetric radius. This list is not exhaustive; it contains the Sun, the planets, several natural satellites, and a number of other notable objects.The… …   Wikipedia

• Historical determinations of the Earth's radius and flattening — ▪ Table Historical determinations of the Earth s radius and flattening author year method equatorial radius (in metres) l/f* P. Bouguer and P. L. M. de Maupertuis 1735–43 arc 6,397,300 216.80 G.B. Airy 1830 arc 6,376,542 299.30 A.R. Clarke 1866… …   Universalium

• Longitude — For Dava Sobel s book about John Harrison, see Longitude (book). For the adaptation of Sobel s book, see Longitude (TV series). Map of Earth Longitude (λ) Lines of longitude appear vertical with varying curvature in this projection, but are… …   Wikipedia

• Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …   Wikipedia

• Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …   Wikipedia

• Jupiter — This article is about the planet. For other uses, see Jupiter (disambiguation). Jupiter   …   Wikipedia

• geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …   Universalium