Mercury's magnetic field, compared with that of Earth, is:
A)of equivalent strength.
B)weak, but strong enough to deflect the solar wind.
C)extremely weak, so it cannot prevent the solar wind from hitting the surface of Mercury.
D)much more powerful.

Question

Quizplus · Accepted Answer

Mercury's magnetic field is indeed weak compared to Earth's, but it is still strong enough to deflect the solar wind, creating a magnetosphere that, while not as extensive as Earth's, protects the planet to some extent from direct solar wind bombardment.

Mercury's Magnetic Field, Compared with That of Earth, Is