Auroras are caused by:
A) gases fluorescing in the atmosphere due to collisions with solar wind particles
B) the magnetosphere of Earth touching its atmosphere
C) the ozone layer being destroyed by UV light
D) a product of the atmospheric greenhouse effect
E) scattering of sunlight from particles in the Earth's stratosphere

Question

Quizplus · Accepted Answer

Auroras, also known as Northern or Southern Lights, are caused by gases in the Earth's atmosphere, such as oxygen and nitrogen, becoming excited and glowing as they are hit by charged particles from the solar wind. This process is known as fluorescence.

Auroras Are Caused By