The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ?
- A. Ionosphere
- B. Troposphere
- C. Mesosphere
- D. Stratosphere
- E. None of these
Explanation
Aurora Borealis occurs when charged particles from the Sun excite gases in the upper atmosphere, mainly the ionosphere and thermosphere. These gases emit coloured light as they return to lower energy states.
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