how does refraction take place in the atmosphere?
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Answer: The refraction of light by the earth's atmosphere is due to the gradually changing refractive index of air layers. ... The twinkling of a star is due to atmospheric refraction of starlight. The starlight, on entering the earth's atmosphere, undergoes refraction continuously before it reaches the earth.
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The refraction of light by the earth's atmosphere is due to the gradually changing refractive index of air layers. ... The twinkling of a star is due to atmospheric refraction of starlight. The starlight, on entering the earth's atmosphere, undergoes refraction continuously before it reaches the earth.
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