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:
Io: NASA/JPL/University of Arizona; Triton:
! 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
8. What is the most common surface process
you observed in the solar system? Why do you think this
process is so universal?