Sputnik

作者:踢鸟  于 2007-10-5 03:43 发表于 最热闹的华人社交网络--贝壳村

作者分类:Space|通用分类:其它日志



On this date in 1958, having successfully changed the world, Sputnik 1 reentered the Earth's atmosphere after 92 days in orbit.
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. That launch ushered in new political, military, technological, and scientific developments. While the Sputnik launch was a single event, it marked the start of the space age and the U.S.-U.S.S.R space race.

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