6.1k views
5 votes
According to our theory of solar system formation, why did uranus and neptune end up to be much less massive than jupiter and saturn?

1 Answer

6 votes
Particles in the solar nebula were more spread out at greater distances, so that accretion took longer and there was less time to pull in gas before the solar wind cleared the nebula.
User Jason Newton
by
7.8k points