Uranus and Neptune appear blue or blue-green because
A)their atmospheres absorb blue light very efficiently.
B)their solid air-less surfaces are this color
C)their surfaces are covered with liquid water with no atmosphere
D)traces of methane in their atmospheres absorb red light very efficiently.

Question

Quizplus · Accepted Answer

The presence of methane in the atmospheres of Uranus and Neptune absorb red light very efficiently, allowing blue and blue-green wavelengths to be reflected and giving the planets their characteristic colors.

Uranus and Neptune Appear Blue or Blue-Green Because