What stellar populations are contained in spiral and elliptical galaxies?
A) Both spirals and ellipticals contain equal mixtures of Population I and Population II stars.
B) Spirals contain only Population I stars,whereas ellipticals contain only Population II stars.
C) Spirals contain stars of both populations,whereas ellipticals contain only Population II stars.
D) Ellipticals contain stars of both populations,whereas spirals contain only Population II stars.
Correct Answer:
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