1.

Explain why the planets do not twinkle?

Answer»

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 source3s . Although light coming from INDIVIDUAL point -sezedsources flickers but the total amount of light entering our eye from all the individual point-sized sources avereage out the to be constant. Thereby planets appear equally bright and there is no TWINKLING of plantes.


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