Since then thousands of satellites have been reinforced and are now used for numerous applications including surveillance, mobile communications, navigation, broadcasting, prefigure to point communications, disaster monitoring, space science, exploration of other planets and human beings observation. Brief Satellite History: The worlds first manmade artificial satellite (into low earth orbit) was the launch of Sputnik 1, by the USSR (Soviet Union), on October 4, 1957. In 1954, the U.S. Navy transmitted voice messages (on microwave carriers) to the moon on then detected their reflection back on earth. The first broadcast from space to earth was on December 19, 1958, by U.S. president Eisenhower - it was a Christmas greeting - using the SCORE technology. A very important and practical development, in the history of satellite communications, was the NASA launch of Tiros I, the worlds first weather satellite, launched in April,... If you compulsion to get a full essay, order it on our website: Orderessay
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