Astronomers now speculate that a galaxy's shape depends on all of the following except
A) the rate of star formation.
B) the history of past collisions.
C) the mass.
D) All of these may be important in determining a galaxy's shape.

Question

Quizplus · Accepted Answer

All of these factors may be important in determining a galaxy's shape. The rate of star formation can affect the shape through the distribution of matter and energy, past collisions can disrupt the shape and create new structures, and mass can play a role in determining the overall structure and dynamics of the galaxy.

Astronomers Now Speculate That a Galaxy's Shape Depends on All