The surface of Europa, one of the Galilean moons of Jupiter, appears to be covered with
A) dark areas of older crust separated by lighter, grooved terrain.
B) a smooth layer of ice crossed by many cracks.
C) rugged mountain ranges and ancient volcanoes.
D) many ancient craters and maria.

Question

Quizplus · Accepted Answer

Europa's surface is characterized by a smooth layer of ice that is crisscrossed by a complex pattern of cracks and ridges, making it one of the smoothest objects in the Solar System. This appearance suggests a relatively young and active surface, shaped by tectonic processes and possibly a subsurface ocean.

The Surface of Europa, One of the Galilean Moons of Jupiter