The Earth's surface is protected from solar wind and cosmic radiation by
A) the Earth's gravitational field.
B) the Earth's magnetic field.
C) a large,metallic shield launched into orbit by NASA in the 1960s.
D) a powerful stream of ions emitted by the Sun.

Question

Quizplus · Accepted Answer

The Earth's magnetic field acts as a shield and deflects most of the solar wind and cosmic radiation away from the Earth's surface.

The Earth's Surface Is Protected from Solar Wind and Cosmic