What Method Would Astronomers Use to Find the Distance to a Remote

question 5

Multiple Choice

What method would astronomers use to find the distance to a remote quasar?

• A) parallax
• B) Cepheid variables
• C) measuring the size of its dark matter halo
• D) finding the red?shift and using Hubble's Law
• E) the turnoff point of the main sequence on an H-R diagram

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