Which atmospheric phenomenon causes the sky to appear reddish orange during sunrise and sunset?
A
Increased blue light scattering
B
Longer path length scattering out blue light
C
Absorption of all colors except red
D
Reflection from clouds only
Correct Answer: Option B — Longer path length scattering out blue light
Explanation:
During sunrise and sunset sunlight travels through more atmosphere scattering out most blue light and allowing longer wavelength red and orange light to dominate the visible sky color.