Satellite

Satellites Essay

Satellite is probably the most useful invention since the wheel. Satellites have the capability to let you talk with someone across the nation or let you close a business deal through video communication. Almost everything today is heading towards the use of satellites, such as telephones. At&t has used this communications satellite (top right) ever … Read more

Sputnik, name of the first of several artificial satellites launched

Sputnik, name of the first of several artificial satellites launched by the Soviet Union from 1957 to 1961. The goals of the Sputnik program included studying the earth’s upper atmosphere, observing animal survival in space flight, and testing Soviet rocket technology. The launch of the unmanned Sputnik 1 and of Sputnik 2, which carried a … Read more