Multiple Choice
Where in the universe would one look for a rille?
A) on Mars because rilles are the "canals" seen by Lowell to extend across the planet surface
B) in the galactic plane because it is a dark dust band
C) in Saturn's rings because rilles are the gaps in the rings
D) on the Moon because it is the name given to a deep winding canyon there
Correct Answer:
Verified
Correct Answer:
Verified
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