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What does it mean when an emission line of helium from a galaxy is shifted toward red.

What does it mean when an emission line of helium from a galaxy is shifted toward red.
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What does it mean when an emission line of helium from a galaxy is shifted toward red.

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User Xiaotian Pei
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1 Answer

5 votes

Answer:

The galaxy is moving away from the viewer.

Step-by-step explanation:

answered
User Bart Czernicki
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