Multiple Choice
Which parameter is now thought to be vital in the evolution of a pregalactic gas cloud into an elliptical rather than a spiral galaxy?
A) The presence of other evolving galaxies nearby
B) The initial rate of star birth
C) The presence of supernova explosions to trigger star birth within the galactic cloud
D) The presence of a black hole around which the galaxy can form
Correct Answer:
Verified
Correct Answer:
Verified
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