- earth-fixed axis
- ось земной системы координат
Авиасловарь. М.А.Левин. 2004.
earth-fixed axis
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Earth-fixed axis system — this system is a right hand orthogonal axis system fixed on the earth. The trajectory of the vehicle is described with respect to this earth fixed axis system. The x and y axes are in a horizontal plane and the z axis is directed downward … Mechanics glossary
Rotation around a fixed axis — Rotational motion can occur around more than one axis at once, and can involve phenomena such as wobbling and precession. Rotation around a fixed axis is a special case of rotational motion, which does not involve those phenomena. The kinematics… … 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
Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth … 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
Axis mundi — Navel of the World redirects here. For other uses, see Navel of the World (disambiguation). Mount Kailash, depicting the holy family: of Shiva and Parvati cradling Skanda with Ganesha by Shiva s side The axis mundi (also cosmic axis, world axis,… … 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 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
Earth ellipsoid — The Earth ellipsoid especially the mean Earth ellipsoid is the mathematical figure of the Earth which is used as a reference frame for computations in geodesy, astronomy and the geosciences.It is a ellipsoid of rotation, whose short (polar) axis… … Wikipedia
axis — I. /ˈæksəs / (say aksuhs) noun (plural axes /ˈæksiz / (say akseez)) 1. the line about which a rotating body, such as the earth, turns. 2. the central line of any symmetrical, or nearly symmetrical, body: the axis of a cylinder; the axis of the… …
earth axis — Any one of a set of mutually perpendicular reference axes established with the upright axis (the z, axis) pointing to the center of the earth. It is used in describing the position or performance of an aircraft or other body in flight. The earth… … Aviation dictionary
