What do we mean by accretion in the context of planet formation?
A) The growth of planetesimals from smaller solid particles that collided and stuck together
B) The formation of moons around planets
C) The solidification of ices, rocks, and metal from the gas of the solar nebular
D) The growth of the Sun as the density of gas increased in the center of the solar nebula

Question

Quizplus · Accepted Answer

Accretion in the context of planet formation refers to the process of planetesimals growing by colliding and sticking together to form larger bodies. This process eventually leads to the formation of planets.

What Do We Mean by Accretion in the Context of Planet