why do stars twinkle?
Answers
Answer:
On a clear, dark night, our eyes can see about 6,000 or so stars in the sky. They seem to twinkle, or change their brightness, all the time. In fact, most of the stars are shining with a steady light. The movement of air (sometimes called turbulence) in the atmosphere of Earth causes the starlight to get slightly bent as it travels from the distant star through the atmosphere down to us on the ground. This means that some of the light reaches us directly and some gets bent slightly away. To our eyes, this makes the star seem to twinkle.
Answer:
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Explanation:
The twinkling of stars is due to atmospheric refraction of star-light. ... As a consequence the number of rays entering, the pupil of the eye goes on changing with time and the stars appear twinkling.