Question

Why do star appear to twinkle

Answer 1

star twinkles because of atmospheric refraction

The star twinkle in the night sky because of the effects of our atmosphere . When star light enters our atmosphere. it is affected by winds in the atmosphere and by areas

with different temprature and densities It is refracted . This cause the

light from the star to twinkle when We seen from the ground .

Answer 2

Answer:

The twinkling of a star is due to the atmospheric refraction of star's light.The continuously changing atmosphere refracts the light from the stars by different amounts from one moment to the next.The star light reaching out eyes increases and decreases continuously due to atmospheric refraction.And the star appears to twinkle at night.

Explanation: