solar radiation thruster

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• Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… …   Wikipedia

• Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… …   Wikipedia

• Solar and Heliospheric Observatory — Infobox Space telescope name = Solar and Heliospheric Observatory (SOHO) caption = organization = ESA / NASA alt names = nssdc id = location = L1 orbit type = height = 1.5×106 km (heliocentric) period = 1 Earth year velocity = accel gravity =… …   Wikipedia

• Space-based solar power — Left: Part of the solar energy is lost on its way through the atmosphere by the effects of reflection and absorption. Right: Space based solar power systems convert sunlight to microwaves outside the atmosphere, avoiding these losses, and the… …   Wikipedia

• Space solar power — Space based solar power (SBSP or SSP) is the conversion of solar energy into power, usable either in space or on earth, from a location in space, usually geosynchronous orbit (GSO). Photovoltaics (PV) would generally be utilized for energy… …   Wikipedia

• Space Solar Power Exploratory Research and Technology program — The Space Solar Power Exploratory Research and Technology program (SERT) program conducted by NASA, was initiated by John Mankins and lead by Joe Howell in March 1999 for the following purpose:* Perform design studies of selected flight… …   Wikipedia

• Van Allen radiation belt — Van Allen radiation belts The Van Allen radiation belt is a torus of energetic charged particles (plasma) around Earth, which is held in place by Earth s magnetic field. It is believed that most of the particles that form the belts come from… …   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

• Orbital station-keeping — In astrodynamics orbital station keeping is a term used to describe the orbital maneuvers made by thruster burns that are needed to keep a spacecraft in a particular assigned orbit. For many Earth satellites the effects of the non Keplerian… …   Wikipedia

• Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …   Wikipedia

• Asteroid-impact avoidance — Planetary defense redirects here. For defending against alien invasion in fiction, see alien invasion. Artist s impression of a major impact event. The collision between Earth and an asteroid a few kilometres in diameter releases as much energy… …   Wikipedia