Magnetic Earth

Question 7 • FHS 2016 TX-Earth and Space Science

What is the magnetosphere?

Answer

a stream of electrically charged particles flowing at high speeds from the sun

the region of Earth’s magnetic field shaped by the solar wind

a glowing region in the atmosphere caused by charged particles from the sun

the angle between geographic north and the magnetic pole in the Northern Hemisphere

Explanation

The magnetosphere is the region around Earth where Earth’s magnetic field controls the motion of charged particles. The solar wind pushes and reshapes this region, so choice B is correct. Choice A describes the solar wind, while choice C describes an aurora.

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