redshift articles
What did Hubble notice about the spectrum?
How did Hubble calculate the distances to far away galaxies based on?
Is the black eye galaxy redshift or blueshift?
Why do galaxies turn red?
Are most galaxies red or blue-shifted?
Is the universe red-shifted?
Are red galaxies further away?
Are red galaxies real?
What does redshift tell us about distant galaxies?
