1. The Milky Way collided with the Andromeda Galaxy? What might we experience on Earth? (This merger will occur in the distant future.) 2. No distant galaxies showed any redshift or blueshift? Discuss...

1. The Milky Way collided with the Andromeda Galaxy? What might we experience on Earth? (This merger will occur in the distant future.)

2. No distant galaxies showed any redshift or blueshift? Discuss what that would imply about the universe.

3. All distant galaxies showed a blueshift, rather than a redshift? Discuss what that would imply about the universe.