Responses
The two galaxies have collided previously.
The two galaxies have collided previously.
Astronomers have observed their movements over time.
Astronomers have observed their movements over time.
The Milky Way has changed course to head toward Andromeda.
The Milky Way has changed course to head toward Andromeda.
All galaxies will collide at some point.
1 answer
The correct response is:
Astronomers have observed their movements over time.
Astronomers use various methods, including measuring the velocities and trajectories of galaxies using redshift and other observations, to predict future interactions, such as the collision between the Milky Way and the Andromeda galaxy.
