Luminosity (Noun)
Meaning
The quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun".
Classification
Nouns denoting attributes of people and objects.
Examples
- The newly discovered star's luminosity was hundreds of times greater than our sun's, making it visible from millions of light-years away.
- The moon's luminosity changes throughout the month due to its varying reflectivity and the angle of the sun's rays.
- The luminosity of the firefly's abdomen helps it attract a mate during its brief breeding season.
- Scientists use a star's luminosity as a key indicator in determining its age, mass, and lifespan.
- The supernova's incredible luminosity outshone the rest of the galaxy, capturing the attention of astronomers worldwide.