English Dictionary

atmospheric refraction

noun

The apparent angular elevation of the heavenly bodies above their true places, caused by the refraction of the rays of light in their passage through the Earth's atmosphere.

Atmospheric refraction causes the apparent position of celestial objects to be slightly higher in the sky than their actual position.

意味（1）

The apparent angular elevation of the heavenly bodies above their true places, caused by the refraction of the rays of light in their passage through the Earth's atmosphere.