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Planets do not twinkle....

Planets do not twinkle.

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Planets do not emit light. However, they become visible due to reflection of light falling on them They do not twinkle because they appear larger in size than the stars as they are relatively closer to earth.
Planets can be considered as a collection of a large number of point-size sources of light. The different parts of these planets produce either brighter or dimmer effect in such a way that the average of brighter and dimmer effect is zero. Hence, the twinkling effects of the planets are nullified and they do not twinkle.
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