Nathan is extensively quoted in a story by the Daily Express, discussing AuroraWatch UK.
After solar winds arrive at our planet, Dr Case said: “The charged particles run into Earth’s atmosphere and collide with molecules.
“When they collide, they transfer energy. The atmosphere does not like this extra energy which is why give off light.”
He said that oxygen emits the famous green colour and some red, while nitrogen gives off the blue and purply lights.