How does the composition of Saturn's atmosphere compare to that of Jupiter,which is the same as that of the Sun?
A) Saturn's atmosphere contains less helium than does that of either Jupiter or the Sun.
B) They are almost equivalent,with the same proportions of hydrogen,helium,and heavier elements.
C) Saturn's atmosphere contains far more heavy elements than does that of either Jupiter or the Sun.
D) Saturn's atmosphere has far less hydrogen than does that of either Jupiter or the Sun.

Question

Quizplus · Accepted Answer

Saturn's atmosphere is known to have a lower proportion of helium compared to Jupiter and the Sun. This is due to the process of helium rain, where helium droplets form in the cooler upper layers of Saturn and fall deeper into the planet, depleting the upper atmosphere of helium.

How Does the Composition of Saturn's Atmosphere Compare to That