Communications satellites
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U.S. military WGSS communications satellite A communications satellite (sometimes abbreviated to comsat) is an artificial satellite stationed in space for the purposes of telecommunications using radio at microwave frequencies. Most communications satellites use geosynchronous orbits or near-geostationary orbits, although some … Read More

History of Artificial Satellites
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Sputnik 1: The first artificial satellite In May, 1946, the Preliminary Design of an Experimental World-Circling Spaceship stated, “A satellite vehicle with appropriate instrumentation can be expected to be one of the most potent scientific tools of the Twentieth Century. … Read More

Satellites
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A satellite is an object that orbits another object. With sufficient tangential velocity, the object does not collide with the primary object it orbits, but maintains a distance from that object as the rate at which it falls towards that … Read More