A ray is actually a tight curl, or eddy, of light seen from the side. A large, featureless expanse of light that sometimes covers the entire sky. It may be white or, in exceptional cases, red. The shape, color, and brilliance depend in part on where you are, what time it is and what is happening on the Sun. Auroras can be credited with keeping people's spirits up in the north during midwinter when the sun doesn't shine.
Auroras can be so bright that people can read by their light.
However, no matter how bright, you can still see the stars twinkling through the light, giving the Auroras an even more magical appearance. This is the 'stuff' that creates legends. He knew, by the streamers that shot so bright, That spirits were riding the northern light. 1802 Gases in the atmosphere glow with various colours when they are hit by electrons. The colours that appear depend not only on which gases are struck, but also on how far they are from Earth.