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Title: How did Edwin Hubble measure the distance to the Andromeda Galaxy? Post by: Astronomy on May 4, 2022 How did Edwin Hubble measure the distance to the Andromeda Galaxy?
a. He measured its parallax. b. He used white dwarf supernovae in the Andromeda Galaxy. c. He deduced it from its redshift. d. He used Cepheid variables in the Andromeda Galaxy. Title: Re: How did Edwin Hubble measure the distance to the Andromeda Galaxy? Post by: bio_man on May 4, 2022 d. He used Cepheid variables in the Andromeda Galaxy. |