EPISODE · Nov 5, 2019 · 4 MIN
48年后，东方红1号卫星的燃料早已耗尽，为何还在天上飞？
from 天文随心听｜讲述宇宙与人的故事
在“两弹一星”元勋钱学森的带领下，我国在1970年成功发射了“东方红一号”人造卫星，由此掀开了我国航天事业的大幕。49年过去了，当初设计寿命仅20天的中国第一颗人造卫星还在天上飞，这是为什么呢？
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48年后，东方红1号卫星的燃料早已耗尽，为何还在天上飞？
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