Multiple Choice
As of the writing of your textbook, what types of galaxies (not including our own Milky Way Galaxy) have been observed to have planets orbiting stars within them?
A) other spiral galaxies only
B) elliptical galaxies only
C) irregular galaxies only
D) spiral, elliptical, and irregular galaxies
E) no planets have been observed in other galaxies.
Correct Answer:

Verified
Correct Answer:
Verified
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