Thanks Mordred, I'm already aware of everything you said. My understanding is that the peak emission of a typical human is in the infrared - but do we give off small quantities of visible light? And even more generally... does every object in the universe give off all frequencies of light, just...
I have a question about Planck's Law. When I first read about it, I misunderstood it to mean that an object at a certain temperature would only emit a very narrow wavelength of light. But as I've looked into it further it appears as though everything in the universe emits a range of light that...