Most interstellar clouds remain stable in size because the force of gravity is opposed by ________ within the cloud.
A)degeneracy pressure
B)radiation pressure
C)stellar winds
D)thermal pressure

Question

Quizplus · Accepted Answer

Most interstellar clouds remain stable in size because the inward force of gravity is balanced by the outward force of thermal pressure within the cloud. This equilibrium prevents the cloud from either collapsing under its own gravity or dispersing into space.

Most Interstellar Clouds Remain Stable in Size Because the Force