What Could Explain the Darker Appearance of Moons and Rings

question 111

Multiple Choice

What could explain the darker appearance of moons and rings in the outer solar system?

• A)They shine by the diminished light at that great distance from the Sun.
• B)They are made of small, sooty particles and radiation darkening with loss of volatile brightices.
• C)They are composed of basaltic eject from the volcanism on Ariel and Triton.
• D)They are made of water ice that reflects light much more poorly at the very low temperaturesof these moons.
• E)They are composed of mostly rocky material, like S type asteroids.

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