Multiple Choice
What kind of observations can astronomers use to study Io's volcanoes?
A) visible- light images to study plumes using reflected sunlight
B) visible- light images to study the distribution of sulfur compounds on its surface
C) spectroscopy to determine the composition of the plumes
D) infrared images to study warm plumes on Io's night- side
E) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
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