Which does the shift of the hydrogen absorption spectrum of a galaxy provide evidence for? Select the three correct answers.(2 points) Responses expansion of the universe expansion of the universe motion of the galaxy motion of the galaxy composition of the universe composition of the universe number of stars in the galaxy number of stars in the galaxy temperature of the galaxy temperature of the galaxy The Big Bang theory The Big Bang theory
The three correct answers are:
1. Expansion of the universe
2. Motion of the galaxy
3. The Big Bang theory