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प्रश्न
Is the position of a star as seen by us its true position? Justify your answer.
थोडक्यात उत्तर
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उत्तर
No, the light of stars enters the earth’s atmosphere and undergoes refraction continuously before reaching the earth. The atmospheric refraction takes place under a gradually changing refractive index. Since, starlight bends towards the normal; the apparent position of the star is slightly different from its actual position.
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