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free-fall orbit

См. также в других словарях:

  • Free-fall — is motion with no acceleration other than that provided by gravity. Since this definition does not specify velocity, it also applies to objects initially moving upward. Although the definition specifically excludes all other forces such as… …   Wikipedia

  • free-fall — /free fawl /, v., free fell, free fallen, free falling, adj., n. v.i. 1. (of parachutists) to descend initially, as for a designated interval, in a free fall: The jumpers were required to free fall for eight seconds. adj. 2. denoting or… …   Universalium

  • Free-fall time — The free fall time is the characteristic time that would take a body to collapse under its own gravitational attraction, if no other forces existed to oppose the collapse. As such, it plays a fundamental role in setting the timescale for a wide… …   Wikipedia

  • free fall — 1. the hypothetical fall of a body such that the only force acting upon it is that of gravity. 2. the part of a parachute jump that precedes the opening of the parachute. 3. a decline, esp. a sudden or rapid decline, as in value or prestige, that …   Universalium

  • Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …   Wikipedia

  • Circular orbit — For other meanings of the term orbit , see orbit (disambiguation) A circular orbit is the orbit at a fixed distance around any point by an object rotating around a fixed axis. Below we consider a circular orbit in astrodynamics or celestial… …   Wikipedia

  • Elliptic orbit — A small body in space orbits a large one (like a planet around the sun) along an elliptical path, with the large body being located at one of the ellipse foci …   Wikipedia

  • Capture orbit — A capture orbit is a reverse escape orbit. It is a parabolic orbit with as special case a straight line in the direction of the center of the central body. If it intersects the central body or its atmosphere the object will crash into the central …   Wikipedia

  • The Fall of Colossus — infobox Book | name = The Fall of Colossus title orig = translator = image caption = author = Dennis Feltham Jones cover artist = Paul Lehr country = United Kingdom language = English series = The Colossus Trilogy genre = Science fiction novel… …   Wikipedia

  • Sub-orbital spaceflight — A sub orbital spaceflight (or sub orbital flight) is a spaceflight in which the spacecraft reaches space, but its trajectory intersects the atmosphere or surface of the gravitating body from which it was launched, so that it does not complete one …   Wikipedia

  • Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …   Wikipedia

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