What year did sputnik go into space?
Sputnik was launched October 4, 1957 at 7:28 PM. The world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit the Earth on its elliptical path.
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