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An astronomer discovers a new galaxy using a telescope. The astronomer wants to investigate how the galaxy is moving relative t...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 sentence, make a hypothesis about the movement of the galaxy and explain at least one way to test the hypothesis.
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Hypothesis: The new galaxy is moving towards the Milky Way galaxy.
Testing the hypothesis: By measuring the galaxy's redshift or blueshift, the astronomer can determine the velocity of the galaxy's movement relative to the Milky Way using the Doppler effect.
Testing the hypothesis: By measuring the galaxy's redshift or blueshift, the astronomer can determine the velocity of the galaxy's movement relative to the Milky Way using the Doppler effect.
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