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.
short please
Hypothesis: The new galaxy is moving away from the Milky Way galaxy due to the observed redshift in its spectrum.
Testing the hypothesis: The astronomer can conduct a spectroscopic analysis of the galaxy's light to determine its redshift or blueshift, which would indicate whether it is moving away from or towards the Milky Way.
Hypothesis: The new galaxy is moving away from the Milky Way galaxy.
Explanation: One way to test this hypothesis is to use the redshift technique, where the astronomer can study the light emitted by the galaxy. If the galaxy's light is shifted towards longer wavelengths, it indicates that the galaxy is moving away from us and supports the hypothesis.
Hypothesis: The new galaxy is moving away from the Milky Way galaxy.
To test this hypothesis, the astronomer can use the redshift method. They can analyze the spectrum of light emitted by the galaxy and look for a Doppler shift towards longer wavelengths, indicating that the galaxy's light is stretched and thus moving away.