Question

(b) Why do stars twinkle ? Explain.​

Answer 1

Answer:

only 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.

Answer 2

Answer:

Stars twinkle because of turbulence in the atmosphere of the earth.As the atmosphere churns,the light from the star is refracted in different directions.This causes the star's image to change slightly in brightness and position