How Did Edwin Hubble Measure the Distance to the Andromeda

question 36

Multiple Choice

How did Edwin Hubble measure the distance to the Andromeda Galaxy?

• A)He applied the period- luminosity relation to Cepheid variables in Andromeda.
• B)He measured its parallax.
• C)He detected white dwarf supernovae in Andromeda.
• D)He applied main- sequence fitting to star clusters in Andromeda.
• E)He measured its redshift and applied Hubble's Law.

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