Stars appear to twinkle mainly because of

Options

  • A. Atmospheric refraction
  • B. Reflection from clouds
  • C. Total internal reflection
  • D. Dispersion by the Moon
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. Atmospheric refraction

Detailed Explanation

Starlight passes through layers of Earth's atmosphere with changing optical conditions, causing continuous variations in apparent brightness and position.