Question

george is discussing the sun’s luminosity, explaining to his class that it is 3.8 × 10²⁶ watts. what does george mean by the term ‘luminosity’ when talking about the sun?
○ color spectrum
○ depth of the rays
○ total light emitted
○ total power output

Explanation:

Luminosity in astronomy refers to the total amount of energy emitted by a celestial body per unit time, measured in watts. The Sun’s luminosity value given (3.8×10²⁶ watts) is a power unit, so it corresponds to total power output.

Answer:

total power output