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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
Why is Galileo Regio, the large circular feature on Ganymede, so dark?
A) It is the result of ultraviolet light from the Sun interacting with the ice and creating a substance that is quite dark.
B) It is the result of micrometeorite dust settling onto it over several billion years.
C) It has an asphalt-like material that is like the dark side of Iapetus of Saturn.
D) It is composed of dense basaltic mantle rock that once flowed like lunar mare.
E) It is the site of a recent meteorite impact that scattered a lot of dark, rocky material.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
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#3
8 years ago
Message back if you need anything
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