What frequency of light is
observed on Earth?
f = 5.0×10^14 Hz
How fast is the galaxy receding?
Wavelength Ȝ 0 of H K lines is 394 nm
Redshifted wavelength Ȝ is 458 nm
f = c/Ȝ
v = 0.149c = 4.47×10^7 m/s
(^650) Copyright 2007 Kinetic Books Co. Chapter 35