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Encyclopedia > Flattening

The flattening, ellipticity, or oblateness of an oblate spheroid is the relative difference between its equatorial radius a and its polar radius b: Oblate also refers to a member of the Roman Catholic religious order of the Missionary Oblates of Mary Immaculate, or in some cases to a lay or religious person who has officially associated himself (or herself) with a monastic community such as the Benedictines for reasons of personal enrichment without... The equator is an imaginary circle drawn around a planet at a distance halfway between the poles. ... ...

 f = (ab) / a 
  • The flattening of the Earth is 1:298.25275 (which corresponds to a radius difference of 21.385 km of the Earth radius 6378.135 - 6356.75 km) and would not be realized visually from space,
  • whereas the flattening of Jupiter is 1:16 (which can be seen even in a small telescope, or that of Saturn ~ 1:10
  • and of the Sun less than 1:1000.

The amount of flattening depends on Earth, also known as the Earth, Terra, and (mostly in the 19th century) Tellus, is the third-closest planet to the Sun. ... The radius of the Earth is the distance from the Earths centre to its surface at mean sea level. ... Genitive Jovian Atmospheric characteristics Atmospheric pressure 70 kPa Hydrogen ~86% Helium ~14% Methane 0. ... 50 cm refracting telescope at Nice Observatory. ... Atmospheric characteristics Atmospheric pressure 140 kPa Hydrogen >93% Helium >5% Methane 0. ... The Sun is the star at the centre of our Solar system. ...

See also: Astronomy, planetography, Earth rotation, gravity field It has been suggested that Law of universal gravitation be merged into this article or section. ... There are two different definitions for the term Centrifugal force. ... Density (symbol: ρ - Greek: rho) is a measure of mass per unit of volume. ... The expression figure of the Earth has various meanings in geodesy according to the way it is used and the precision with which the Earths size and shape is to be defined. ... Rotation is the movement of a body in such a way that the distance between a certain fixed point and any given point of that body remains constant. ... Elasticity has meanings in two different fields: In physics and mechanical engineering, the theory of elasticity describes how a solid object moves and deforms in response to external stress. ... Astrometry: the study of the position of objects in the sky and their changes of position. ... The gravity field is the field of force, caused by the gravitation of the Earth, and influenced by the Earth rotation, the atmosphere and by geological bodies. ...


  Results from FactBites:
 
Pediatric Positional Skull Deformity (1088 words)
Flattening of the posterior aspect of the skull in early infancy is by far the most common reason for referral of new patients to the pediatric neurosurgeon; it is more common than craniosynostosis by an order of magnitude.
Subsequent brain expansion remodels the skull and reduces the flattening somewhat, and the asymmetry that persists is mitigated further by disproportionate enlargement of the neck muscles and the facial skeleton and by hair growth.
Asymmetrical positional flattening is almost always associated with a degree of congenital torticollis, and passive range of motion exercises for the neck are useful at any age.
Sovage Tummy Flattening Gel (293 words)
Sovage Tummy Flattening Gel is a quick-penetrating gel so thick, concentrated, and smooth some people call it Sovage tummy flattening gel a "fat burning paste".
Sovage Tummy Flattening Gel is a patented, clinically proven transdermal gel specifically formulated to reduce difficult to target abdominal fat.
Sovage tummy flattening gel penetrates to mobilize that stubborn fat, deflating the fat cells at it releases the fat into the bloodstream ready to be burnt off.
  More results at FactBites »

 
 

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