1. History and Development of Satellites for Communication
... size of a basketball, weighed only 183 pounds, and took about 98 minutes to orbit the Earth on its elliptical path. That launch ushered in new political, military, technological, and scientific developments. Plans to begin launching the first satellites began in the mid 1950's. On October 4,1957, Sputnik 1 was launched by the Soviet Union. It circled the earth and transmitted ... , and 2,000 satellites were operating in orbit. Satellites are put to a wide variety of uses. Applications range from scientific research to military reconnaissance. The first satellites were used to study the Ea...
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