Which of the following puzzles in the solar system cannot be explained by a giant impact event?
A)the formation of the Moon
B)the large metallic core of Mercury
C)the backward rotation of Venus
D)the extreme axis tilt of Uranus
E)the orbit of Triton in the opposite direction to Neptune's rotation

Question

Quizplus · Accepted Answer

The orbit of Triton in the opposite direction to Neptune's rotation is best explained by a capture scenario, where Triton, originally a Kuiper Belt object, was captured by Neptune's gravity. This is different from the other options, which can be explained by giant impact events.

Which of the Following Puzzles in the Solar System Cannot