Stars twinkle but planets do not twinkle because

  • they emit light of a constant intensity
  • their distance from the earth does not change with time
  • they are very far away from the earth resulting in decrease in intensity of light
  • they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

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Stars twinkle but planets do not twinkle because
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