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Explain Why the Planets Do Not Twinkle? - CBSE Class 10 - Science

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Question

Explain why the planets do not twinkle?

Solution

Planets are much closer to the earth and are seen as extended sources. So, a planet may be considered as a collection of a large number of point-sized light sources. Although light coming from individual point-sized sources flickers but the total amount of light entering our eye from all the individual point-sized sources average out to be constant. Thereby, planets appear equally bright and there is no twinkling of planets.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 10 (2014 to Current)
Chapter 11: Human Eye and Colourful World
Q: 11 | Page no. 198
Solution Explain Why the Planets Do Not Twinkle? Concept: Atmospheric Refraction.
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