What causes the twinkling of stars?

[A] Atmospheric refraction of starlight

[B] Dispersion of starlight
[C] Scattering of starlight
[D] None

1 thought on “What causes the twinkling of stars?”

  1. A [Atmospheric refraction of starlight]
    Notes:
    The twinkling of a star is due to atmospheric refraction of starlight. The starlight, on entering the earth’s atmosphere, undergoes refraction continuously before it reaches the earth.

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