earth-orbit escape

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• Low Earth orbit — An orbiting cannon ball showing various sub orbital and orbital possibilities …   Wikipedia

• Medium Earth orbit — MEO redirects here. For other uses, see MEO (disambiguation). Comparison of GPS, GLONASS, Galileo and Compass (medium earth orbit) satellite navigation system orbits with the International Space Station, Hubble Space Telescope and Iridium… …   Wikipedia

• Escape velocity — In physics, escape velocity is the speed where the kinetic energy of an object is equal to the magnitude of its gravitational potential energy, as calculated by the equation,:U g = frac{ Gm 1m 2}{r}.It is commonly described as the speed needed to …   Wikipedia

• 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

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

• Orbit equation — In astrodynamics an orbit equation defines the path of orbiting body around central body relative to , without specifying position as a function of time. Under standard assumptions, a body moving under the influence of a force, directed to a… …   Wikipedia

• Earth-Minbari War — The Earth Minbari War is a fictional war that formed a major part of the back story of the science fiction television series, Babylon 5 . The war was fought between the Earth Alliance and the Minbari, an older alien race that overwhelmingly… …   Wikipedia

• Escape from Jupiter — is an Australian children s science fiction drama which aired from April 10, 1994 to July 3, 1994. Concerning a small group of children on Jupiter s moon Io, the series ran for 12 episodes.When one of Io s volcanoes erupts, the group must flee… …   Wikipedia

• Orbit insertion — is the spaceflight operation of adjusting a spacecraft’s momentum to allow for entry into a stable orbit around a planet, moon, or other celestial body.[1] This maneuver involves either deceleration from a speed in excess of the respective body’s …   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 Alliance (The History of the Galaxy) — Earth Alliance is a fictional political entity in The History of the Galaxy series of novels by Russian writer Andrey Livadny. It was formed through the joining of the Earth nation states sometime between the 21st and the early 23rd centuries.… …   Wikipedia