1. Sputnik-l or the'................'was the first artifical satellite to orbit the earth. It was launched by the then USSR.
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History changed on October 4, 1957, when the Soviet Union successfully launched Sputnik I. 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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Prosteyshiy Sputnik-1 or Elementary Satellite 1
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