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It's light, and some animals can see it, just not us. https://en.wikipedia.org/wiki/Infrared https://en.wikipedia.org/wiki/Infrared has some pictures from the r
by erik_seaberg 2y ago
It's light, and some animals can see it, just not us. https://en.wikipedia.org/wiki/Infrared https://en.wikipedia.org/wiki/Infrared has some pictures from the right kind of cameras and telescopes.