In the Nice model of solar system formation,
A) all of the outer planets formed at the same time.
B) Jupiter and Saturn formed first, followed by Uranus and Neptune.
C) Neptune and Uranus formed first, followed by Jupiter and Saturn.
D) the inner planets formed before the outer planets.

Question

Quizplus · Accepted Answer

In the Nice model, it is proposed that Jupiter and Saturn formed first, followed by the formation of Uranus and Neptune. This sequence is part of the explanation for the current configuration of the solar system, especially the outer planets' positions and the Kuiper Belt's structure.

In the Nice Model of Solar System Formation