response: No clue on that, but do you know of the red sky during sunset? That's the result of Rayleigh scattering.
original_response: red sky at sunset results from Rayleigh scattering, while the red color of the Grand Canyon and other geological features is caused by hematite or red ochre
history: My favorite color is red! I think it is bright and cheerful. Do you know anything about the color red? Red is the colour at the end of the visible spectrum of light That's really cool. What do they say about how the color red makes you feel? I'm not aware of that, however red is a primary color on the RGB and CMYK color models. That sounds neat. What else do you know about the color red? Reds range from the brilliant yellow-tinged scarlet and vermillion to bluish-red crimson, Is red a really popular color?
knowledge: The red sky at sunset results from Rayleigh scattering, while the red color of the Grand Canyon and other geological features is caused by hematite or red ochre, both forms of iron oxide.