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viktelen [127]
3 years ago
15

Do galaxies move and if so how do we know?

Biology
1 answer:
dedylja [7]3 years ago
8 0

Answer: Galaxies do move. They both rotate and move through space. But how do we know? Fortunately, there is a way to detect the motion of a galaxy: By examining the spectrum of light from a galaxy, you can determine whether the galaxy is moving towards or away from Earth, and how fast.

Explanation:

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