Two competing models of the formation of giant gaseous planets suggest they form either from gas accreting onto a rocky core or from
A) fragmentation of the accretion disk that surrounds the protostar.
B) the merger of two large planetesimals.
C) planets stolen from another nearby protostar.
D) materials condensing out of the solar wind.
E) an eruption of material from the protostar.

Question

Quizplus · Accepted Answer

The two main models for the formation of giant gaseous planets are core accretion, where gas accumulates onto a rocky core, and disk instability, where the accretion disk around a protostar fragments and collapses directly into a planet.

Two Competing Models of the Formation of Giant Gaseous Planets