The manner in which the terrestrial planets formed was
A) accretion of planetesimals to form a core,followed by gravitational capture of gas from the solar nebula.
B) gravitational condensation of hydrogen,helium,and dust in eddies or vortices in the solar nebula.
C) gravitational condensation of gas followed by capture of solid planetesimals.
D) accretion of solid planetesimals containing mostly rocky material.

Question

Quizplus · Accepted Answer

The most widely accepted theory for the formation of terrestrial planets is the accretion of solid planetesimals containing mostly rocky material. These planetesimals collided and stuck together gradually forming larger and larger bodies until the terrestrial planets were formed. There was no significant amount of gas in the region of the solar system where the terrestrial planets formed.

The Manner in Which the Terrestrial Planets Formed Was