Question

6. What is atmosphere? What is atmospheric refraction​

Answer 1

Answer:

Atmosphere involves a air. without atmosphere we don't live. so it is very important for our life.

Answer 2

the envelope of gases surrounding the earth or another planet

Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. ... Astronomical or celestial refraction causes astronomical objects to appear higher above the horizon than they actually are.