The sun emits tiny electrical particles in all directions during solar flares. When they fall at the Earth's north and south poles, they look like glowing ribbons of light which may be green, red or blue in colour. What are these called?
A
Aurora Borealis
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B
Spectrum
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C
Aurora Australis
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D
Both (A) and (C)
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Solution
The correct option is D Both (A) and (C)
An aurora is a natural light display in the sky, particularly in the high-latitude of arctic and antarctic regions.
It is caused by the collision of atmospheric atoms with energetic, charged particles coming from space.
In northern latitudes, the effect is known as the Aurora Borealis or Northern lights; whereas in the southern latitudes it is known as Aurora Australis or Southern lights.