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If You Found a Galaxy with a Hydrogen Emission Line,normally

Question 23

Multiple Choice

If you found a galaxy with a hydrogen emission line,normally found at 656.3 nm,with a measured wavelength of 756.3 nm,what would be the galaxy's redshift?


A) 0.01
B) 0.05
C) 0.10
D) 0.15

Correct Answer:

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