What Processes Shape Planetary Surfaces?
ES2708  Shaping Moons

Moons are shaped by the same surface processes that shape the planets. Several of the moons of the outer planets are large enough to be thought of as planets themselves. In fact, Jupiter's largest moon, Ganymede, is larger than the planet Mercury.

Moon: NASA/USGS; Ganymede: NASA/JPL;
Io: NASA/JPL/University of Arizona; Triton: NASA/JPL

  !   Click each thumbnail image to see a larger version.

Examine each image to look for evidence of the surface processes at work on these moons.

7. What processes do you see evidence of on these moons? Identify the moon and the process you observe.

8. What is the most common surface process you observed in the solar system? Why do you think this process is so universal?


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