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What does red shift tell about the movement of a galaxy?​

What does red shift tell about the movement of a galaxy?​
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What does red shift tell about the movement of a galaxy?​

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User Webmaster
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A redshift reveals how an object in space (star/planet/galaxy) is moving compared to us. It lets astronomers measure a distance for the most distant (and therefore oldest) objects in our universe
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User Piotr Pasich
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