EPISODE · Nov 1, 2019 · 5 MIN
太阳光能前进多远？宇宙中传播最远的光又是什么？
from 天文随心听｜讲述宇宙与人的故事
我们离太阳大约1.5亿公里，太阳光传播到地球上需要8.3分钟。在地球上，我们可以看到明媚的阳光。但太阳光不止照射到了地球上，而且还散播到太阳系的各个地方，乃至遥远的宇宙。那么，太阳光能够照射到多远的地方呢？
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太阳光能前进多远？宇宙中传播最远的光又是什么？
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