The earth's first man-made satellite is nearing the end of the planning stage. Last week the National Academy of Sciences released information about the small, short-lived artificial moon that will be shot into an orbit during the International Geophysical Year (1957-58). The launching vehicle will be a three-stage rocket. The first stage, whose rocket motor will have 27,000 lbs. of thrust, will take off from the Air Force's missile test base at Cape Canaveral, Fla. About two minutes after takeoff, it will have traveled about 40 miles, and will be traveling 3,000 to...
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