List of light sources

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Atmospheric lightning, which can be a spectacular source of illumination

This is a list of sources of light, including both natural and artificial processes, and devices that emit light. In this list, light is considered to be electromagnetic radiation that is visible to the human eye. The list is also limited to sources of light, as opposed to objects such as the Moon that provide light by reflection.


Natural[edit]

The Sun
Nebula and stars
Starry sky, the Milky Way, and a shooting star

Celestial and atmospheric[edit]

Terrestrial[edit]

Bioluminescent fungus
Radioluminescent watch face

Nuclear/high-energy particle[edit]

Direct chemical[edit]

Electric[edit]

Color temperature comparison of common electric lamps
Color temperature comparison
A 230-volt incandescent light bulb, with E27 base
Filament of an incandescent closeup

General types[edit]

Electron-stimulated[edit]

Incandescent lamps[edit]

See also: Incandescence

Electroluminescent (EL) lamps[edit]

Main article: Electroluminescence

Gas discharge lamps[edit]

Main article: Gas discharge lamp
A General Electric NE-34 glow lamp

High-intensity discharge lamps[edit]

Lasers[edit]

Semiconductor lasers

Combustion[edit]

Small fire in a fire pit
A candle

Phenomena[edit]

Devices[edit]

Lamps[edit]

An oil lamp

Other[edit]

Nuclear and high-energy particle[edit]

Čerenkov radiation

Other[edit]

From space, an entire city emitting light

See also[edit]

References[edit]

External links[edit]