Compared to the moons of Jupiter, the moons of the more distant Jovian planets
A) contain a higher proportion of rock
B) are made of a mixture of rock and methane ice
C) contain higher overall proportions of water ice as well as methane and other ices
D) are made completely of methane ice
Question 2
We are located at the
A) edge of our entire universe
B) center of our observable universe
C) edge of our observable universe
D) center of our entire universe