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Explain why the planets do not twinkle.

Q.11.    Explain why the planets do not twinkle.

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Planets do not twinkle the way stars do, the reason is that stars are so far away that they appear to be a point source of light on the sky, while planets have finite size and the size of a planet "averages out" the turbulent effects of the atmosphere.

Therefore, we see a relatively stable image to the eye. Hence, twinkling is not observed in planets.

 

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