The spacecraft would then require only modest electrodynamic forces to visit each of the four largest moons of Jupiter, from the outermost (Callisto) to the innermost (Io).

• 因此太空船只需中等强度的电动力，就能逐一造访木星四颗最大的卫星，从最外侧的木卫四到最内侧的木卫一。