Why is Saturn oblate?
a. The gravity of its moons flattens the planet.
b. The rapid rotation of the planet flattens it.
c. It formed that way originally and has no way to reshape itself.
d. The magnetic fields of Jupiter and Saturn interact and cause the planet to flatten.
Question 2
The universe is said to be closed if I. gravity is strong enough to stop the expansion in a finite time. II. the density of the universe is less than the critical density. III. the universe is finite.
a. I & II
b. I & III
c. II & III
d. I, I, & III
e. none of the above