1.

Explain why stars twinkle

Answer» Because of atmospheric refration ....stars apper to twinkle . and the star we see is millions years ago and the stars that twinkle now it will be seen after millions of years bcz the distance between star and eath is light year
Tooooo easy ?
Due to refraction
Expaination given in NCERT check it
Coz of atmospheric refraction


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