Science: Man's Milieu

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From the missile-testing station at Cape Canaveral, Fla.. a modified Viking rocket soared up 125 miles one night last week, its bright exhaust glowing briefly like a wrong-way shooting star. Its flight was a partial test of the "vehicle" that will lift the U.S. artificial satellite in 1958, and the instruments that will steer it, into its orbit around the earth. When the satellite is established there, one of its most important jobs will be to keep track of the global movements of the white clouds far below. It will then be...