On 17 March 1958, a three-stage rocket lifted a polished aluminium sphere from Cape Canaveral and pl...
A satellite launched in 1958, no bigger than a grapefruit and silent since 1964, is still the oldest human-made object circling Earth — and it is expected to keep quietly orbiting overhead for another few centuries
On 17 March 1958, a three-stage rocket lifted a polished aluminium sphere from Cape Canaveral and placed it in a long, elliptical orbit around Earth.
Author: Space Daily
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