Multiple Choice
What is the basic shape of a spiral galaxy?
A) A round,thin disk of uniform brightness with its edges bent up and down into a spiral shape
B) A round,flat disk with long lanes of stars that curve outward in a spiral shape from the very center of the galaxy
C) Approximately spherical with long lanes of dark dust clouds curving through it in a spiral pattern
D) A round,flat disk containing long lanes of stars that curve outward in a spiral shape from the edge of a round,nuclear region of uniform brightness
Correct Answer:

Verified
Correct Answer:
Verified
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