Its H2O ice — rich surface is unlike other outer solar
system icy satellites in exhibiting distinctly reddish tholin coloration around its northern pole as well as a few highly localized patches rich in NH3 ice.
Not exact matches
The large
satellites of Uranus show unique geologic features we'd like to understand (such as the tortured - looking surface of Miranda, a small moon with the tallest cliff in the Solar
System), while Neptune's
satellite Triton is thought to be a captured Kuiper Belt object, similar to Pluto, potentially harboring an ocean under its
icy surface.
Ganymede is identified for detailed investigation since it provides a natural laboratory for analysis of the nature, evolution and potential habitability of
icy worlds in general, and also because of the role it plays within the
system of Galilean
satellites, and its unique magnetic and plasma interactions with the surrounding Jovian environment.
Traditionally, the solar
system has been divided into planets (the big bodies orbiting the Sun), their
satellites (a.k.a. moons, variously sized objects orbiting the planets), asteroids (small dense objects orbiting the Sun) and comets (small
icy objects with highly eccentric orbits).