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) many ancient craters and maria.
C) rugged mountain ranges and ancient volcanoes.
D) a smooth layer of ice,crossed by many cracks.

Question

Quizplus · Accepted Answer

The surface of Europa is believed to be covered by a smooth layer of ice that is crossed by many cracks, also known as lineae. This has been observed in images taken by spacecraft such as Galileo, which also detected evidence of a subsurface ocean beneath the ice crust.

The Surface of Europa,one of the Galilean Moons of Jupiter,appears