Question

why stars twinkling?​

Answer 1

Stars do not really twinkle, they just appear to twinkle when seen from the surface of Earth. The stars twinkle in the night sky because of the effects of our atmosphere. When starlight enters our atmosphere it is affected by winds in the atmosphere and by areas with different temperatures and densities

i hope it will help you

Answer 2

due to atmospheric refraction it appears to twinkle