Multiple choice general knowledge

Auroras have been the subject of many myths. The Nordics believed that the earth was flat and the aurora was caused by a ring of fire marking the boundaries of the ocean. What has science discovered as the cause for this beautiful phenomenon?

  1. Scientists are still searching for a valid explanation

  2. Magnetic storms caused by solar winds

  3. Electrically charged water particles losing hydrogen

  4. Ice particles lit up by fragmented solar flares

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Auroras are caused by charged particles from the solar wind interacting with Earth's magnetic field. These particles are funneled toward the polar regions and collide with atmospheric gases (oxygen and nitrogen), causing them to emit light in spectacular displays.