👉 In mathematics, a non-illuminative object is an object that is not light-like in nature. This means it does not have any characteristic of light, such as color, brightness, or wavelength. For example, a non-illuminative object could be a black hole, which has no color or brightness, and therefore cannot be seen by the naked eye. Similarly, an object that is non-illuminative might not emit light at all, or it may emit only a very
