Multiple Choice
In a primordial, pregalactic gas cloud, what is believed to have been the MOST important condition that caused the cloud to become an elliptical galaxy (as opposed to some other type of galaxy) ?
A) The initial rate of star formation was high.
B) The cloud started off with a lot of dust and heavy elements.
C) The cloud started off flattened and disk-shaped before it collapsed.
D) The initial rate of star formation was low.
Correct Answer:

Verified
Correct Answer:
Verified
Q196: What is the "particle horizon"?<br>A) The particle
Q197: When astronomers view a distant quasar with
Q198: The Big Bang theory is the most
Q199: Suppose that the expansion rate were slower
Q200: The Milky Way Galaxy is moving at
Q202: What significant event occurred about 400,000 years
Q203: What do cosmologists study?<br>A) formation, structure, and
Q204: How does the cosmological constant differ from
Q205: Helium nuclei began permanent formation in the
Q206: What makes gravity the main force determining