The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:

Answer: Option C

Albedo is the ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body.

It is a measure of how much light that hits a surface is reflected without being absorbed.

This term is commonly used in the fields of astronomy and remote sensing to describe the reflectivity of planets, moons, and other celestial bodies.