Key Stage 2
Meaning
A luminous object is on that gives off its own light.
- Adjective: Luminous
- Noun: Luminosity
About the word Luminous
- The Sun is luminous because it gives off its own light.
- The Moon is non-luminous because it does not give off its own light. The Moon reflects the light from The Sun.
- If one object is brighter than another, that object is said to be more luminous or have a higher luminosity.