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firt sattellite in space
Sputnik
On Friday, October 4, 1957, the Soviets had orbited the world's first artificial satellite. Anyone who doubted its existence could walk into the backyard just after sunset and see it. Initially U.S. President Eisenhower was not surprised by Sputnik. -
Echo one
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marinarer 4
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lunar orbitar #1
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landsat#1
