I am watching these images from James Webb telescope, and it talks about light that travelled 13 billion years!! And I am wondering then, what in this light is never disintegrating as most thing with time…?
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Light, like anything else, will keep going until something makes it stop. Sometimes you’ll have a nebula or the like that’s big/dense enough to [block out all light behind it](https://en.wikipedia.org/wiki/Barnard_68) but it’s not common.
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