Oh, dude, you're looking for a "luminary," which is just a fancy word for something that gives out light. It's like when you're lost in the dark and suddenly a luminary appears to guide your way... or when you need to find your way to the fridge at 2 am for a snack.
An object that doesn't give out light is called a non-luminous object. These objects do not emit their own light but can reflect light from other sources.
Objects that don't give out light are called "non-luminous objects." These objects reflect light that falls on them, making them visible to our eyes.
The sun give light to the star because the sun reflects on the star to give them light.
The smallest blood vessels are called capillaries.
An object that does not give out light is called a non-luminous object. This means that the object does not emit its own light but rather reflects light from another source. An example of a non-luminous object is a table.
Boats must give way to other boats that are less maneuverable, such as larger vessels, vessels not under command, vessels restricted in their ability to maneuver, and vessels engaged in fishing.
This white-colored light that must be visible from all angles is called an anchor light. It is usually situated atop the mast.
Blood vessels appear blue under the skin because of the way light interacts with the skin and the blood vessels. The skin absorbs red light, while blue light is reflected back, making the blood vessels appear blue.
Bronchioles
Veins. Vessels that carry it from the heart are called arteries.
energy
many animals that live in the very depths of the oceans where there is no light such as the angler fish