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Wew The color of the sun appears to be white or yellow-white, although it can also appear orange or red when it is near the horizon during sunrise or sunset. The sun emits light at all visible wavelengths, which combine to create the white appearance. However, the Earth's atmosphere scatters shorter-wavelength light, such as blue and green, more than longer-wavelength light, giving the sun a more yellow or orange appearance when viewed from the surface of the Earth.