polar earth orbit
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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
Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth … 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 observation satellite — An Earth observation satellite, ERS 2 Earth observation satellites are satellites specifically designed to observe Earth from orbit, similar to reconnaissance satellites but intended for non military uses such as environmental monitoring,… … 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
Polar orbit — A polar orbit is an orbit in which a satellite passes above or nearly above both poles of the body (usually a planet such as the Earth, but possibly another body such as the Sun) being orbited on each revolution. It therefore has an inclination… … Wikipedia
Earth Departure Stage — The Ares V Earth Departure Stage (EDS) is a rocket stage which will be designed by NASA at its Marshall Space Flight Center in Huntsville, Alabama as part of Project Constellation. The EDS will be propelled by a single J 2X main engine fueled… … Wikipedia
Polar (spacecraft) — Polar is a NASA satellite designed to study the Aurora. It is distinguished by its ability to image the Aurora in several wavelengths: visible light, ultraviolet (UV) light and X rays.It was launched on 24 February 1996 into a highly elliptical… … Wikipedia
Earth's atmosphere (Meteorology) — Earth s atmosphere (and its mechanics) can often be described in meteorology with very particular and specific terms. While meteorologists do use the more commonly understood standard terms for the earths atmospheric layers, these definitions are … Wikipedia
Polar Claw — is a the name of a fictional character from the various Transformers universes.Beast WarsTransformers character name =Polar Claw caption = affiliation =Maximal subgroup =Mega Beasts function =Infantry Battle Commander rank =8 partner =Robotic Bat … Wikipedia