Astronomy Almanac
>
Home
Images
Questions
Almanac
Our Universe
Planets
Moons
Constellations
Stars
Messier Objects
Galaxies
Nebulae
History
Timelines
Astronomers
Glossary
Glossary
>
Luminosity
Definition
Luminosity
Luminosity is the total amount of light produced by a star irrespective of its distance from an observer