What is the method used to measure the distances to the farthest galaxies when mapping out large-scale structure?
A) Cepheid variables
B) parallax
C) redshifts and Hubble's law
D) RR Lyrae variables

Question

Quizplus · Accepted Answer

Redshifts and Hubble's law are used to measure the distances to farthest galaxies when mapping out large-scale structure. The redder the shift, the more distant the object. Hubble's law explains the relationship between the recession velocity of a galaxy and its distance from us.

What Is the Method Used to Measure the Distances to the Farthest