Named for fear, mars moon .

(a)  

Its largest and only named craters are Swift and Voltaire, mars moon, named for terror.

(a)  

s the innermost of the four Galilean moons of Jupiter, and the most geologically active body in the solar system, with more than 400 volcanoes

(a)  

is the largest moon in the solar system and the only one known to have its own magnetosphere. Jupiters moon

(a)  

is the largest moon of Saturn and the second largest in the solar system

(a)  

s Saturn’s third-largest moon after Titan and Rhea and, like Rhea, was discovered by Giovanni Cassini in 1671 for the Titans of Greek mythology, two tone color, or red and grey

(a)  

Uranus’s largest moons

(a)  

the largest moon of Neptune and the only large moon with a retrograde orbit. much of this moon's western hemisphere consists of an unexplained series of fissures and depressions sometimes called “cantaloupe terrain.”

(a)  

The largest satellite of the dwarf planet Pluto, discovered 1978

(a)