What are Northern and Southern lights? Explain the phenomenon and discuss their associated impacts on Earth's atmosphere and human activities.

Phenomenon: Northern & southern lights are formed due to interaction of diffused sunlight (catawinding slanting angle) to ions in the ionosphere of uppers latitude. Pure to Aurora Australis Aurora Borealis. Sometimes it also forms in lower latitude when solar wind is powerful enough to fowel along another magnetic field.

Impacts on earth's atmosphere and human activities:

Hence, Northern light & Southern light are unique phenomena impacting atmosphere along with cultural life in people.