Question
Why do starts twinkle in the
sky?Solution
It is an example of optical illusion. They appear to twinkle, because light from the stars has to cross several layers of atmosphere with differing refractive indices to reach earth. As the atmospheric conditions in the different layers keep changing, the starts also appear to fade and shine at different times. Hence, option D is correct.Â
Tempestuous
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WARM
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...
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Eulogy