Use the scenario to answer the question.
An astronomer discovers a new galaxy using a telescope. The astronomer wants to investigate how the galaxy is moving relative to the Milky Way galaxy.
In one or two sentences, make a hypothesis about the movement of the galaxy and explain at least one way to test the hypothesis.
(2 points)
Hypothesis: The new galaxy is moving away from the Milky Way galaxy.
One way to test the hypothesis is to measure the redshift of the galaxy's light, which will indicate if the galaxy's light is being stretched and shifted towards longer wavelengths, suggesting it is moving away.