What colors primarily remain to color the light beam coming directly toward an observer during sunset?

Answer

Yellows, oranges, and reds

During sunset, the long path through the atmosphere scatters nearly all the short-wavelength blue and violet light away from the direct line of sight, leaving the longer wavelengths like yellows, oranges, and reds to reach the observer.

What colors primarily remain to color the light beam coming directly toward an observer during sunset?

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