What observed feature of the Milky Way is better explained by the bottom-up hypothesis of galactic formation, as opposed to the monolithic collapse model?
A) The elongated shape of the central bulge of the galaxy
B) The different metallicities of the bulge and disk of the galaxy
C) The difference in age of globular clusters
D) The supermassive black hole found at center of the galaxy
E) The very little gas or dust that halo contains
Correct Answer:
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Q44: Match the regions of the galaxy listed
Q45: Describe the general features of the monolithic
Q46: A partial, or detached, segment of a
Q47: What is the monolithic collapse hypothesis unable
Q48: How have astronomers determined the mass of
Q50: Which statement about stellar populations is correct?
A)
Q51: Elements above hydrogen and helium come from
Q52: A "galactic fountain" is _.
A) a stream
Q53: _ variable stars are useful in measuring
Q54: One of the most important features that
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