Question : The physics phenomenon when, in polar regions like Alaska and Northern Canada, a splendid display of colours is seen in the sky is called a/an:
Option 1: star intrinsic luminosity
Option 2: star shower
Option 3: active galactic nucleus
Option 4: aurora borealis
Correct Answer: aurora borealis
Solution : The correct answer is aurora borealis .
In polar regions such as Alaska and northern Canada, a stunning display of colours can be seen in the sky, which is known as the northern lights, or aurora borealis. When this phenomenon occurs in the Southern Hemisphere, it is called Aurora australis.
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