Which of the Galilean moons of Jupiter are within Jupiter's magnetosphere?
A) only Io; the others are well outside the magnetosphere.
B) only Io and Europa; the others are well outside the magnetosphere.
C) all except Callisto, which is well outside the magnetosphere
D) all four Galilean moons

Question

Quizplus · Accepted Answer

All four Galilean moons (Io, Europa, Ganymede, and Callisto) are within Jupiter's magnetosphere. Jupiter has a very large and powerful magnetosphere, extending far enough to encompass all of its large moons.

Which of the Galilean Moons of Jupiter Are Within Jupiter's