explain why the planets do not twinkle
Answers
Complete answer:
Refraction is the phenomenon due to which a ray of light bends from its original path when travelling from one medium to the other. When the ray of light travels from a rarer to denser medium it bends toward the normal and when it travels from denser to rarer medium it bends away from the normal.
Stars are very far away from us so they appear as a point source of light. Due to refraction of the light it appears to change its position very rapidly which can be observed as the twinkling of the stars.
In case of planets, their distance from us is smaller when compared to the stars which makes them appear bigger. So, the light rays here appear to come from multiple point sources or a cluster of point sources of light which causes the dimming effect due to some point sources being nullified by the brightening effect of the other points sources. Also, the angle subtended by the planets at the human eye is more as compared to the stars so the shift in their position is smaller when compared to the stars. As the shift is small, they do not twinkle.
Explanation:
Planets do not twinkle As the planets are closer, planets appear larger in comparison to the stars. Hence, the shift is not enough for the planets to twinkle.
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