Assertion: universe's object | /r/HasProperty | luminous
Facets:
Source sentences:
text: Any object is considered luminous if it emits its own light, either through stored energy or energy supplied to the object, which contrasts with non-luminous objects such as the moon, wood, plastics and metals; these objects merely reflect light instead of providing their own.
text: Objects that emit light on their own are called luminous objects.
text: Objects that do not reflect light are known as non luminous objects.