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Communication Satellites History LEO MEO GEO Bands ITU Routing links page HISTORY Arthur C. Clark wrote the first well-known article on communication satellites. "Extra-Terrestrial Relays" was published in Wireless World in 1945. In the article, Clark discussed geosynchronous earth orbit and the possibility

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Search NASA.gov Topics Missions Galleries NASA TV Follow NASA Downloads About NASA Audiences Latest Related The 20th Anniversary of the Hubble Space Telescope's STIS... 2 months ago This Week in NASA History: First Pegasus Satellite Launches --... 2 months ago This Week in NASA History: First Saturn...

It began with a basketball-sized bundle of technology called Sputnik 1. Launched by the Soviet Union on October 4, 1957, the world’s first artificial satellite was followed four months later by the first U.S. satellite, Explorer 1. The race into space was on, and with it came a new way of looking at the Earth. Th

In the context of spaceflight , a satellite is an artificial object which has been intentionally placed into orbit . Such objects are sometimes called artificial satellites to distinguish them from natural satellite s such as Earths Moon . The worlds first artificial satellite, the Sputnik , was launched by the Soviet