Thursday 25 April 2013

Why do stars twinkle


Why do stars twinkle?    
(Ans) The twinkling of stars is due to atmospheric refraction of star-light. The atmosphere is made of several layers and the refractive indices which keep on changing continuously due to this path of light rays from the star keeps on changing their path continuously. As a consequence the number of rays entering, the pupil of eye goes on changing with time and the stars appear twinkling. 

28 comments:

  1. This comment has been removed by the author.

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  2. Helpful than notes which have been given by teacher :-)

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  3. Here is the same thing about twinkling of stars is due to which reason

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  5. Very easy to understand..... And helpful for me...

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  6. not really help me in my homework

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  7. Very good answer I really like it

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