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央视杰出科学家纪录片《两弹一星元勋钱学森》1957年10月4日，苏联把历史上第一颗人造地球卫星送入太空，5个月后，美国也将人造卫星送上太空，“卫星”成为了当时全世界最热门的话题。第二年5月召开的中共八大二次会议上，毛主席郑重告诉全体代表，我们也要搞人造卫星。10多天后，主持国防科技工作的聂荣臻，召集中国科学院和国防部第五研究院，将人造地球卫星的研制列为1958年第一项重点任务，工程代号“581”，由钱学森担任领导小组组长。
