An Aurora Is an Incredible Natural Phenomenon This Spectral Display Is Created When Electrically-Charged Particles From the Sun Enter the Earth’s Atmosphere the Changes in Color Are From the Types of Gas-Particle Colliding According to the Northern Lights Centre “The Most Common Auroral Color a Pale Yellowish-Green Is Produced by Oxygen Molecules Located About 60 Miles Above the Earth Rare All-Red Auroras Are Produced by High-Altitude Oxygen at Heights of Up to 200 Miles Nitrogen Produces Blue or Purplish-Red Aurora” the Lights Can Be Found Above the Magnetic Poles in the Northern Hemisphere Where Is It Called ‘Aurora Borealis’ and in the Southern Hemisphere Where It Is ‘Aurora Australis’ Amazing Auroraborealis Northernlights Science