Question

stars twinkle in the sky​

Answer 1

Explanation:

Due to the atmospheric refraction the star light when enters earth surface goes through many layers of atmosphere with different densities. so, the apparent position of the star keeps changing so i appears to twinkle.

Answer 2

Answer: Stars twinkle in the sky because of the effects of our atmosphere.

Explanation:

When starlight enters our atmosphere, it is affected by the winds in our atmosphere and by areas with different temperature and densities. This causes the light of the stars to twinkle when seen from the ground.