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探测器列传:75.夸父追日
Episode 1
Saturday, 28 March, 2026
观测太阳不是一件容易事儿,卫星在太空中要时时刻刻精准的对准太阳,不能有一点错位。所以这就要求卫星有比较高的指向精确度和超高的稳定性。说白了就是要死盯着太阳表面,一点都不能错动,这就对整个卫星的稳定性提出了非常高的要求。通过这几年的观测实践,事实证明啊,羲和号的这套指向机构还是非常精确的,它的指向精度能够达到千分之几度,差不多就相当于在1千米以外精准的对准一个乒乓球大小的目标。而且还是实时对准,不管目标怎么移动,你都得抓住。有了这样的精确度,就为中国后续的综合性太阳探测卫星打下了坚实的技术基础。这个所谓的“综合性太阳探测卫星”,就是我们后面要提到的夸父一号,大家都知道夸父追日的故事。没错,观测太阳就需要牢牢的追踪太阳。起这个名字倒是非常恰如其分……
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