If one could see Jupiter's magnetosphere visually, how big would it appear?
A) Jupiter's magnetosphere would be too small to be visible without a telescope.
B) Jupiter's magnetosphere would be easily visible, many times larger than the full Moon.
C) Jupiter's magnetosphere would cover essentially the entire sky whenever Jupiter was above the horizon.
D) Jupiter's magnetosphere would be just big enough to see, almost at the limit of unaided-eye visibility.

Question

Quizplus · Accepted Answer

Jupiter's magnetosphere is the largest planetary magnetosphere in the solar system, extending up to nearly 2 million kilometers in one direction. This makes it far larger than the full Moon when viewed from Earth, easily visible if it were possible to see it with the naked eye.

If One Could See Jupiter's Magnetosphere Visually, How Big Would