A student makes a chart about galaxies and mentions that the universe consists of many galaxies such as the Andromeda galaxy and the Milky Way galaxy.
Which statement is true about these two galaxies?
Responses
They are both moving away from each other.
They both exert a strong gravitational pull on each other.
The Milky Way galaxy is larger than the Andromeda galaxy.
The Milky Way is a spiral galaxy, and the Andromeda galaxy is not.
1 answer
The Milky Way is a spiral galaxy, and the Andromeda galaxy is not.