What gives Uranus its blue-green coloration?
A) Absorption of blue and green sunlight by ammonia gas
B) Emission of spectral lines in the blue and green by ethane and propane,excited by solar UV radiation
C) Continuous emissions from aurorae in the upper planetary atmosphere
D) Absorption of the red sunlight by methane gas

Question

Quizplus · Accepted Answer

Uranus appears blue-green due to the absorption of red sunlight by methane gas in its upper atmosphere, which reflects back the shorter blue and green wavelengths, giving the planet its distinct coloration.

What Gives Uranus Its Blue-Green Coloration