Explain the twinkling of stars brainly for 5 marks
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Because of the mobility of air and changes in the atmosphere, the temperature in the air is not steady.
Therefore refractive index of air in medium goes on changing continuously.
When atmosphere refracts more light towards us, the star is brighten.
When atmosphere refracts less light towards us the star is seen dim.
Hence stars are seen twinkling at night
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