Auroral displays are most often
A) directly above the north and south geomagnetic poles.
B) in two bands on either side of the equator in the tropics.
C) at the north and south geographical poles.
D) in circular regions around the north and south geomagnetic poles.

Question

Quizplus · Accepted Answer

Auroral displays are caused by charged particles from the solar wind interacting with the Earth's magnetic field. These charged particles follow the magnetic field lines toward the Earth's poles, where they collide with atoms and molecules in the upper atmosphere, causing them to emit light. Therefore, auroral displays are in circular regions around the north and south geomagnetic poles.

Auroral Displays Are Most Often