Question

what is the meaning of an aurora? ​

Answer 1

An aurora is a natural phenomenon

which is characterised by a display

of a natural-coloured (green, red,

yellow or white) light in the sky. It is

a light show which is caused when

electrically-charged particles from

the sun collide with particles from

gases such as oxygen and nitrogen

present in the Earth's atmosphere.

Answer 2

Answer:

An aurora is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole. The effect is caused by the interaction of charged particles from the sun with atoms in the upper atmosphere. In northern and southern regions it is respectively called aurora boreali...