The Andromeda Galaxy is approximately 1.5 x 1012 solar mass.

Last updated: 7/9/2022

The Andromeda Galaxy is approximately 1.5 x 1012 solar mass. Based on the passage, what is likely true about the Andromeda Galaxy? The galaxy's mass is composed of stars,gas, and dust. Over 1 x 10¹2 mass is probably made up of stars. Most of the galaxy's mass is probably made up of dark matter. Over half the galaxy's mass is probablymade up of gas and dust.