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出典:Wikipedia
出典:『Wikipedia』 (2011/06/18 07:37 UTC 版)
OSO 4, the fourth Orbiting Solar Observatory, is an American satellite launched by NASA designed to measure the direction and intensity of the Sun's radiation. Launched October 18, 1967, from Cape Canaveral, Florida, it decayed from orbit June 15, 1982.
OSO 4