Multiple Choice
What method is used to determine the distances of very remote galaxies?
A) measurement of the apparent magnitudes of Type Ia supernovae in the galaxies
B) comparison of the apparent and absolute magnitudes of the galaxies
C) measurement of the apparent brightness and period of Cepheid variable stars in the galaxies
D) measurement of the angular size of a galaxy and an assumption about the actual physical size of the galaxy
Correct Answer:
Verified
Correct Answer:
Verified
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