Question

The Hubblium is seen in the specter of four galaxies, as redshifted. Sort these galaxies by how fast they are moving away from us, from fast (at the top) to slow (at the bottom).

Answer 1

1. The most distant galaxy is moving away from us the fastest.

2. The second-most distant galaxy is moving away from us slightly slower than the first galaxy.

3. The third-most distant galaxy is moving away from us slightly slower than the second galaxy.

4. The fourth-most distant galaxy is moving away from us the slowest.