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Welcome back to AstroNaught! Today, were talking about how stars reveal their true colors. Okay, so first off, color is a bit of a game of perception. A stars color is based on its temperature. As revealed from Wiens Displacement Law, a stars temperature dictates its peak wavelength. When this peak wavelength falls in the visible regime of the electromagnetic spectrum, the wavelength corresponds to a color that can be used to describe the star. Hotter stars peak at shorter, bluer wavelengths, while colder stars peak at longer, redder wavelengths. Medium temperature starsand when I say medium, Im talking 6000 K, like the sunpeak in the green part of the visible spectrum, but we never see green stars when we look into the skyotherwise the sun would be green. Why is that? Even though the star may peak at a wavelength that makes it intrinsically green, our eyes care more about cones and rods than Wiens Displacement Law. In other words, our eyes are made
