Which common gas is less abundant in the top of Saturn's atmosphere, compared to what we observe at Jupiter?
A) helium
B) argon
C) methane
D) hydrogen
E) nitrogen

Question

Quizplus · Accepted Answer

Saturn has a notably lower abundance of helium in its upper atmosphere compared to Jupiter. This is attributed to helium rain, a process where helium droplets form in the cooler, outer layers of the planet and fall towards the core, depleting the upper atmosphere of helium over time.

Which Common Gas Is Less Abundant in the Top of Saturn's