Question

is it true that stars twinkle due to atmospheric refraction?

Answer 1

yes it is true stars twinkle due to turbulence of atmosphere....

Answer 2

$\boxed{HII\:\: DEAR\:\:SHRADDHA\:\:YES}$

YOU ARE RIGHT DEAR stars twinkle due to atmospheric refraction.

Twinkling of star is a phenomenon caused by atmospheric refraction. stars are very far away from us. Thus, they act as a point size source of light from the object. When light ray enters the earth's atmosphere it refractd due to change in density of medium caused by different layers of atmosphere. change in atmospheric composition causes the light from star to fade and bright. Thus, it looks as the star are twinkling.

THANK YOU.