Why can we see sun rays?



  1. 0 Votes

    The sun’s rays lie mostly in the visible spectrum. Our eyes evolved to see in this region of the spectrum; hence we see the radiation that the sun emits the most of. If our eyes evolved to see UV rays, we would see those instead. We didn’t evolve to see UV rays, however, because, again, the majority of the sun’s radiation is in the visible.

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