Recent content by iamthemeg

oops, that should read, "Galaxy 1: Observed wavelength of hydrogen line is 659.2 nanometers. Galaxy 2: Observed wavelength of hydrogen line is 664.4 nanometers. Galaxy 3: Observed wavelength of hydrogen line is 683.1 nanometers. "

Homework Statement I am trying to calculate, from their redshifts, the speed at which each of the following galaxies is moving away from us. Give your answers in both km/s and as a fraction of the speed of light. The galaxies are: Galaxy 1: Observed wavelength of hydrogen line is 659.2...