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The SPACEWAY satellites are communications satellites with capabilities for high-speed data networking, through use of multi-spot-beam antenna and onboard data processing technologies (offering high-capacity Ka-band ). The SPACEWAY system was…
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Spektr-R (or RadioAstron) is a Russian orbital radio telescope, and is the largest space telescope in orbit. It was launched on 18 July 2011. The main scientific goal of the…
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Spirit, MER-A (Mars Exploration Rover – A), is a robotic rover on Mars, active from 2004 to 2010. It was one of two rovers of NASA's ongoing Mars Exploration Rover…
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The Spitzer Space Telescope, formerly named as the Space Infrared Telescope Facility (SIRTF), is an infrared space observatory launched in 2003. It is the fourth and final of the NASA …
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SPOT (Satellite Pour l’Observation de la Terre, lit. "Satellite for Earth Observation") is a high-resolution, optical imaging Earth observation satellite system operating from space. It is run by Spot Image…
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Sputnik, a Russian word meaning "companion" or "satellite", is a name applied to certain spacecraft launched under the Soviet space program. "Sputnik 1", "Sputnik 2" and "Sputnik 3" were the…
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The ESA SSA Programme aims, ultimately, to enable Europe to autonomously detect, predict and assess the risk to life and property due to man-made space debris objects, reentries, in-orbit explosions…
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Start-1 is a Russian satellite launch vehicle based on the RT-2PM Topol, a Soviet intercontinental ballistic missile developed by Moscow Institute of Thermal Technology. The Start-1 launch vehicle derives its…
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STEREO (Solar TErrestrial RElations Observatory) is a NASA solar observation mission. Two nearly identical spacecraft were launched into orbits around the sun that cause them to respectively pull farther ahead…
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Sunjammer is a solar sail constructed by LGarde for NASA. It is the largest solar sail to be constructed as of 2013. Sunjammer is slated to launch in November 2014…
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The Sunrise project is a balloon-borne solar observatory. It consists of a 1m aperture Gregory telescope, a UV filter imager, an imaging vector polarimeter, an image stabilization system and further…
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The Suomi National Polar-orbiting Partnership, or Suomi NPP, is a weather satellite operated by the United States National Oceanic and Atmospheric Administration. Originally intended as a pathfinder for the NPOESS…
