equatorial radius
1Radius 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… …
2Equatorial — 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… …
3Equatorial 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… …
4Earth 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… …
5List 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… …
6Historical 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… …
7Longitude — 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… …
8Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
9Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …
10Jupiter — This article is about the planet. For other uses, see Jupiter (disambiguation). Jupiter   …
