What is the most accurate way to determine the distance to a nearby galaxy?
A)radar ranging
B)Cepheid variables
C)main sequence fitting
D)stellar parallax
E)Hubble's law

Question

Quizplus · Accepted Answer

Cepheid variables have a well-known relationship between their luminosity and period of variation, which allows astronomers to determine their distance accurately. This method has been used to determine the distances to nearby galaxies such as the Large Magellanic Cloud and Andromeda.

What Is the Most Accurate Way to Determine the Distance