Estimate the wavelength shift for the 656-nm linein the
Chapter 44, Problem 44.25(choose chapter or problem)
Estimate the wavelength shift for the 656-nm linein the Balmer series of hydrogen emitted from a galaxywhose distance from us is (a) 7.0 X 106 ly, (b) 7.0 X 107 ly.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer