explain briefly twinkling of stars
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Stars twinkle because … they’re so far away from Earth that, even through large telescopes, they appear only as pinpoints. And it’s easy for Earth’s atmosphere to disturb the pinpoint light of a star. As a star’s light pierces our atmosphere, each single stream of starlight is refracted – caused to change direction, slightly – by the various temperature and density layers in Earth’s atmosphere. You might think of it as the light traveling a zig-zag path to our eyes, instead of the straight path the light would travel if Earth didn’t have an atmosphere.
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well stars do not twinkle but it seems to twinkle
because dur to the atmospheric condition the earth's atmosphere undergoes refraction continuously before it reaches the earth . gradually refractive index changes, in our eyes the rays of light enter after touching the stars change s and the position of stars too changes thus we may see Star's light dim and bright i . e twinkling
because dur to the atmospheric condition the earth's atmosphere undergoes refraction continuously before it reaches the earth . gradually refractive index changes, in our eyes the rays of light enter after touching the stars change s and the position of stars too changes thus we may see Star's light dim and bright i . e twinkling
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