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 the galaxy's recessional velocity be if the Hubble constant is 22 km/s/Mly?
A) 1,120 km/s
B) 2,080 km/s
C) 6,070 km/s
D) 8,500 km/s

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The Answer of 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 the galaxy's recessional velocity be if the Hubble constant is 22 km/s/Mly?
A) 1,120 km/s
B) 2,080 km/s
C) 6,070 km/s
D) 8,500 km/s

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