Saturn's cloud surface appears more uniform than Jupiter's because
A) there is a thick outer cloud covering of water ice overlying the colorful ices.
B) due to Saturn's lower gravity, the colorful cloud layers escaped.
C) it is composed of completely different gases than Jupiter's.
D) the cloud layers are thicker, allowing fewer holes to see the colorful layers.
E) due to Saturn's greater distance from the Sun, the colorful cloud layers are just not visible.
Question 2
As a result of the ejection of planetesimals into the Oort Cloud, simulations indicate that Uranus and Neptune moved:
A) closer to the Sun.
B) further from the Sun.
C) along their orbits at a different rate.
D) from the inner solar system to the outer solar system.
E) from the outer solar system to the inner solar system.
