Question

why does stars appear appear to be as twinkling

Answer 1

hey... friend
here is ur answer

Stars twinkle because they appear as tiny pinpoints as seen from Earth, even through telescopes. Planets don't twinkle because they arecloser, and thus appear larger in our sky, as tiny disks instead of pinpoints
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hope ....this will specify u

Answer 2

Stars are very distant objects .They appear to be twinkling due to refraction of light.Many light rays come from a star.As the atmosphere of earth is made up of numerous layers with different refractive indices,the light rays experience refraction that is bending of light .Because of varying refractive indices ,there is a change in the apparent positions ,which shows a flickering of light.That is why we see the stars as twinkling....

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