Chapter 202

Auroras are streamers of reddish or greenish light in the sky. They are also known as northern and southern lights. These natural dazzling lights appear in the Earth's polar regions. The northern lights, or aurora borealis, can be seen from Canada and Iceland. They can also be spotted from Greenland and Norway. The southern lights, or aurora australis, can be seen by sky watchers in New Zealand and Antarctica.

But how do auroras form?