Answer: northern polar lights
Notes: The aurora borealis is also known as the northern lights. The aurora australis is the name for the southern lights. The aurora is a natural light display in the Earth's sky that is most often seen in high-latitude regions, such as the Arctic and Antarctic. The aurora is caused by the interaction of charged particles from the sun with atoms in the upper atmosphere. The best time of year to see the aurora is between September and April.
This Question is Also Available in:
हिन्दी