Luminosity - Wikipedia Luminosity is an absolute measure of radiated electromagnetic energy per unit time, and is synonymous with the radiant power emitted by a light-emitting object [1] [2] In astronomy, luminosity is the total amount of electromagnetic energy emitted per unit of time by a star, galaxy, or other astronomical objects [3] [4]
Luminosity | Brightness, Magnitude Intensity | Britannica Luminosity, in astronomy, the amount of light emitted by an object in a unit of time The luminosity of the Sun is 3 846 × 1026 watts (or 3 846 × 1033 ergs per second) Luminosity is an absolute measure of radiant power; that is, its value is independent of an observer’s distance from an object
LUMINOSITY Definition Meaning - Merriam-Webster The meaning of LUMINOSITY is the quality or state of being luminous the quality or state of being luminous; something luminous; the relative quantity of light… See the full definition
What is Luminosity? - BYJUS What is Luminosity? Luminosity refers to the total amount of energy produced by different celestial bodies(stars, galaxy) per unit time and it is basically measured in joules per second or watts in SI units