The present positions of the gas and ice giants are
A) significantly closer to the Sun than they originally were, because of interactions with inner planets.
B) significantly closer to the Sun than they originally were, because of resonant interactions.
C) significantly more distant from the Sun than they originally were, because of interactions with the inner planets.
D) significantly more distant from the Sun than they originally were, because of resonant interactions.

Question

Quizplus · Accepted Answer

The gas and ice giants are significantly more distant from the Sun than they originally were due to resonant interactions, particularly with planetesimals in the early solar system, which led to angular momentum exchange and outward migration.

The Present Positions of the Gas and Ice Giants Are