Multiple choice

Stars twinkle because of -------- of light.

  1. reflection

  2. scattering

  3. emission

  4. absorption
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Stars appear to twinkle because of atmospheric scattering and refraction of light as it passes through moving air layers of varying density. This continuous shifting causes the star's apparent position and brightness to fluctuate rapidly from Earth's perspective.

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