The Andromeda galaxy is moving toward us at 3.01x105 m/s. By how much will the frequency of the 6.17x1014 Hz hydrogen?

The Andromeda galaxy is moving toward us
at 3.01x105 m/s. By how much will the
frequency of the 6.17x1014 Hz hydrogen line
be shifted in the galaxy's spectrum
Update: 3.01 × 10^5 and 6.17 × 10^14
1 answer 1