What makes some astronomers think that Uranus was hit by a large body early in its history?
A) It goes around the Sun in a direction opposite to the other planets.
B) Its rotation axis has such a large tilt with respect to its orbit.
C) Its composition is so different from those of Neptune, Jupiter, and Saturn.
D) It has no moons.
E) All of these choices are correct.

Question

Quizplus · Accepted Answer

Uranus's rotation axis is tilted at about 98 degrees, which is unusual compared to other planets. This extreme tilt suggests that a massive collision with a large body early in its history could have knocked it over.

What Makes Some Astronomers Think That Uranus Was Hit by a Large