Author Question: Uranus and Neptune appear bluish in color because: A) methane gas in their atmospheres absorbs ... (Read 70 times)

Kthamas · **on:** Jul 27, 2018

Uranus and Neptune appear bluish in color because:

A) methane gas in their atmospheres absorbs red light well.
B) ammonia absorbs blue light well.
C) hydrogen and helium are both blue in large concentrations.
D) dust motes in their atmospheres scatter blue well, just as in our own blue sky.
E) from their distance, the Sun would appear hotter and bluer than from Earth.

Question 2

Through radar observations it was found that Venus':

A) orbit around the Sun is speeding up.
B) atmosphere is changing rapidly.
C) rotation on its axis is retrograde.
D) orbit around the Sun is in the clockwise sense.
E) orbital period is 243 days.