I was just thinking about how amazing rainbows are and how lucky we are that we can see them. But I was also wondering if other animals or hypothetical aliens that can see different spectra of light can also see something in the sky or is it just coincidentally just visible light?
In: Biology
Infra red was first detected when Sir William Herschel noticed that a region outside of the visible spectrum warmed a thermometer. So, yes.
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