Quasars usually have their distances measured by what technique?
A)Type II supernovae
B)Cepheids
C)Parallax
D)Hubble's Law
E)Tully-Fisher relation

Question

Quizplus · Accepted Answer

Quasars' distances are usually measured by using Hubble's Law, which relates the recessional velocity of a galaxy to its distance from Earth. Quasars are extremely distant objects, and their distances are typically measured using Hubble's Law, which relates the redshift of an object to its distance from Earth.

Quasars Usually Have Their Distances Measured by What Technique