Why do star twinkle?
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Answer:
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. ... To our eyes, this makes the star seem to twinkle.
Explanation:
stars twinkle due to atmospheric refraction of starlight. the starlight passes through different layers of atmospheric medium of gradually changing refractive index . so , it is refracted multiple times . as the apparent position of star and the physical condition of the earth atmosphere are not constant the amount of starlight entering the eye flickers and gives a twinkling effect......♡