Multiple Choice
What did Edwin Hubble study in the Andromeda Galaxy that proved it was an individual galaxy and not part of our own Milky Way?
A) Cepheid stars
B) Type Ia supernovae
C) globular clusters
D) red giant stars
E) RR Lyrae variables
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q68: What are the main components of an
Q69: For which galaxies would it be easiest
Q70: Astronomers can determine the maximum size of
Q71: How do astronomers know that AGNs are
Q72: The dark features in the HST image
Q74: According to Hubble's law, as the distance
Q75: Active star formation does not typically occur
Q76: What is plotted on a rotation curve,
Q77: The spectrum of a galaxy is
Q78: How did Edwin Hubble definitively prove that