earth rate

См. также в других словарях:

• earth-rate unit — A unit of angular drift, as of a gyro, equal to the rate of angular movement of the earth with respect to the stars (i.e., 15° per hour) …   Aviation dictionary

• earth-rate unit — (eru)    a unit of angular velocity equal to 15° per hour (one revolution per day), the rate at which the earth rotates on its axis. This unit is used to measure the drift rates of gyroscopes and various pointing devices in aerospace engineering …   Dictionary of units of measurement

• Rate — or rates may refer to: *Rate (mathematics), a specific kind of ratio, in which two measurements are related to each other *Rates (tax), a type of taxation system used to fund local government *Naval rating, a term used to designate speciality or… …   Wikipedia

• 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

• Earth tide — is the sub meter motion of the Earth of about 12 hours or longer caused by Moon and Sun gravitation, also called body tide which is the largest contribution globally. The largest body tide contribution is from the semidiurnal constituents, but… …   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

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

• Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …   Wikipedia

• Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY       In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… …   Universalium

• 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

• Earth & Beyond — Infobox VG title = Earth Beyond developer = Westwood Studios publisher = Electronic Arts distributor = Electronic Arts designer = engine = version = released = September 24, 2002 genre = MMORPG modes = Multiplayer ratings = ESRB: Teen (13+) ELSPA …   Wikipedia