noun. Astronomy. The property of naturally producing and emitting light, as distinguished from reflecting light.

What is a self luminosity?

noun. Astronomy. The property of naturally producing and emitting light, as distinguished from reflecting light.

What does luminosity mean in simple terms?

1a : the quality or state of being luminous. b : something luminous. 2a : the relative quantity of light. b : relative brightness of something. 3 : the relative quantity of radiation emitted by a celestial source (such as a star)