The Sun appears reddish as it sets because
A)the Sun emits more radiation at longer wavelengths at sunset.
B)more of the shorter, bluer wavelengths are scattered by the dust and haze.
C)the Doppler shift lowers the frequency as a given spot on Earth rotates away from
D)the Sun.
E)more of the longer, redder wavelengths are scattered by the atmosphere.

Question

Quizplus · Accepted Answer

As the Sun sets, its light has to travel through more of Earth's atmosphere, which scatters more of the shorter, bluer wavelengths of light. This leaves more of the longer, redder wavelengths of light to reach our eyes, giving the Sun a reddish appearance.

The Sun Appears Reddish as It Sets Because