Multiple Choice
If you found a galaxy with an Hα emission line that had a wavelength of 756.3 nm,what would be the galaxy's redshift? Note that the rest wavelength of the Hα emission line is 656.3 nm.
A) 0.05
B) 0.07
C) 0.10
D) 0.13
E) 0.15
Correct Answer:
Verified
Correct Answer:
Verified
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