the earth is an oblate spheroid

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• Oblate spheroid — Oblate Ob*late , a. [L. oblatus, used as p. p. of offerre to bring forward, offer, dedicate; ob (see {Ob }) + latus borne, for tlatus. See {Tolerate}.] [1913 Webster] 1. (Geom.) Flattened or depressed at the poles; as, the earth is an oblate… …   The Collaborative International Dictionary of English

• Oblate spheroid — An oblate spheroid An oblate spheroid is a rotationally symmetric ellipsoid having a polar axis shorter than the diameter of the equatorial circle whose plane bisects it.[1] Oblate spheroids stand in contrast to prolate spheroids. It can be… …   Wikipedia

• Volume of the Earth — The volume of the Earth is about 1,080,000,000,000,000,000,000 m3, or = 1.08 times;1021 m3, in scientific notation. See 1 E+21 m³ for other things of about this volume. Calculation Earth is an oblate spheroid, resembling a sphere flattened at the …   Wikipedia

• Figure of the Earth — An oblate spheroid Geodesy …   Wikipedia

• Oblate — Ob*late , a. [L. oblatus, used as p. p. of offerre to bring forward, offer, dedicate; ob (see {Ob }) + latus borne, for tlatus. See {Tolerate}.] [1913 Webster] 1. (Geom.) Flattened or depressed at the poles; as, the earth is an oblate spheroid.… …   The Collaborative International Dictionary of English

• Oblate ellipsoid — Oblate Ob*late , a. [L. oblatus, used as p. p. of offerre to bring forward, offer, dedicate; ob (see {Ob }) + latus borne, for tlatus. See {Tolerate}.] [1913 Webster] 1. (Geom.) Flattened or depressed at the poles; as, the earth is an oblate… …   The Collaborative International Dictionary of English

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

• Extreme points of Earth — Further information: World record, List of extreme points lists, and Extremes on Earth This is a list of extreme points of Earth, the points that are farther north, south, east or west than, higher or lower in altitude than, or… …   Wikipedia

• Earth's rotation — is the rotation of the solid Earth around its own axis. The Earth rotates towards the east, which can be observed by orientation with a magnetic compass at sunrise. As viewed from the star Polaris, the Earth turns counter clockwise. Rotation… …   Wikipedia

• The Relativity of Wrong — is a 1988 essay collection by Isaac Asimov, which takes its title from the most ambitious essay it contains. Like most of the essays Asimov wrote for F SF Magazine, each one in The Relativity of Wrong begins with an autobiographical anecdote… …   Wikipedia