Question

On what factors the twinkling of stars depend?

Answer 1

See it depends on the type of stars like for example our sun it's a non-pulsating star and there are some pulsating stars called pulsars the twinkling depends on many factors like temperature, atmosphere, the position of the star and the sometimes it often depends on the luminosity which changes too .

Answer 2

Hey mate here is your 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, hence "twinkle." This is one of the reasons the Hubble telescope is so successful: in space, there is no atmosphere to make the stars twinkle, allowing a much better image to be obtained.
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