Physics · Optics
Stars appear to twinkle in the night sky primarily because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1they emit light at irregular intervals
- 2the star's own atmosphere absorbs light intermittently
- 3the Earth's atmosphere completely blocks the light at intervals
- 4the refractive index of different layers of the Earth's atmosphere fluctuates continuously✓
Correct answer
the refractive index of different layers of the Earth's atmosphere fluctuates continuously
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