What is one similarity between star formation and galaxy formation?
A) Both processes are dominated by gravity.
B) Both processes are still occurring.
C) Both processes only occurred in the early stages of the universe.
D) Both processes require dark matter.

Question

Quizplus · Accepted Answer

Both star formation and galaxy formation are primarily driven by gravity. In star formation, clouds of gas and dust are pulled together by their own gravity to form a protostar. In galaxy formation, dark matter and ordinary matter are drawn together by gravity to form a galaxy.

What Is One Similarity Between Star Formation and Galaxy Formation