Physics · Optics
The sun appears flattened or oval-shaped (elliptical) during sunrise and sunset due to which phenomenon?
- 1The Doppler effect of moving light sources
- 2Atmospheric scattering of shorter wavelengths
- 3Atmospheric refraction caused by temperature gradients✓
- 4The optical illusion created by the vast horizon
Correct answer
Atmospheric refraction caused by temperature gradients
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