stationkeeping — noun a) The maintenance of a ships position relative to others in a fleet or convoy b) The maintenance of a satellite in geosynchronous orbit over a desired spot … Wiktionary
stationkeeping — … Useful english dictionary
Nautical stationkeeping — Station keeping in a nautical situation is when a vessel is to: maintain a position in relation to another moving vessel or vessels, such as when conducting underway replenishment or part of a task force or convoy maintaining a fixed position in… … Wikipedia
Lagrange Point Colonization — is the colonization of the five equilibrium points in the orbit of a planet or moon its primary, called Lagrange points. The most obvious points for colonization are the points in the Earth Moon system and the points in the Sun Earth system.… … Wikipedia
Lagrange point colonization — Space colonization Solar System Inner Mercury Venus Earth Moon Lagrange points Mars Phobos Deimos Asteroids Ceres Outer Jupiter Io … Wikipedia
Spacecraft propulsion — A remote camera captures a close up view of a Space Shuttle Main Engine during a test firing at the John C. Stennis Space Center in Hancock County, Mississippi Spacecraft propulsion is any method used to accelerate spacecraft and artificial… … Wikipedia
Ion thruster — An ion thruster is a form of electric propulsion used for spacecraft propulsion that creates thrust by accelerating ions. Ion thrusters are characterized by how they accelerate the ions, using either electrostatic or electromagnetic force.… … Wikipedia
Geostationary orbit — Geostationary orbit.To an observer on the rotating Earth (fixed point on the Earth), the satellite appears stationary in the sky. A red satellite is also geostationary above its own point on Earth. Top Down View … Wikipedia
Space habitat — A pair of O Neill cylinders … Wikipedia
Delta-v — For other uses, see Delta v (disambiguation). In astrodynamics a Δv or delta v (literally change in velocity ) is a scalar which takes units of speed. It is a measure of the amount of effort that is needed to change from one trajectory to another … Wikipedia
Gemini 7 — Infobox Space mission mission name = Gemini 7 spacecraft name = Gemini 7 booster = Titan II #62 12562 insignia = Ge07Patch orig.png insignia size = 162px sign = Gemini 7 crew members = 2 launch pad = LC 19 (CCAF) launch = December 4, 1965,… … Wikipedia