Sources of light are things that generate or reflect light such that they illuminate environments. This includes the Sun which is massively responsible for most light on our planet and across our solar system. There are also many natural and human-made sources of light.
All (75)
Nature (6)
Space (17)
Bioluminescent Organisms (19)
Human-made (33)
Anglerfish (using Bacteria) | Arc Lamps |
Auroras | Beacons |
Billboards | Bioluminescent Algae |
Bioluminescent Beetles | Bioluminescent Centipedes |
Bioluminescent Clams | Bioluminescent Coral |
Bioluminescent Fish | Bioluminescent Krill & Shrimp |
Bioluminescent Millipedes | Bioluminescent Plankton |
Bioluminescent Protist | Bioluminescent Sea Slugs |
Bioluminescent Sharks | Bioluminescent Snails |
Bioluminescent Squid | Bioluminescent Technology |
Campfires | Candlelight |
Certain Fungi | Certain Jellyfish |
Comets | Cosmic Microwave Background Radiation |
Fiber Optic Lights | Fireflies |
Fireplaces | Flashlights |
Floodlights | Fluorescent Tubes |
Galaxies | Gamma-Ray Bursts |
Gas Lamps | Glow Sticks |
Glowworms | HID Lamps |
Halogen Lamps | Incandescent Bulbs |
Induction Lighting | LCD Displays |
LED Bulbs | Lanterns |
Lasers | Lava |
Lightning | Magnetars |
Monitors & Screens | Nebulae |
Neon Lights | Nuclear Reactions |
OLED Displays | Oil Lamps |
Phosphorescent Minerals | Planets |
Plasma Displays | Projectors |
Pulsars | Quantum Dot Displays |
Quasars | Shooting Stars (Meteors) |
Solar Flares | Star Clusters |
Stars | Supernovae |
The Moon | The Sun |
Torches | UV Lights |
Volcanoes | Welding Torches |
Wildfires | X-ray Binaries |
Xenon Lights |
The Sun
The Sun produces a massive amount of heat and light with a process of proton-proton nuclear fusion whereby hydrogen protons fuse together under immense heat and pressure to produce helium. The sunlight hitting the surface of planet Earth peaks at over 1,000 watts per square meter per hour under ideal conditions on a sunny day. The sun primarily generates visible light but it also produces ultraviolet and infrared radiation.Space Things
The universe is filled with galaxy clusters, galaxies, star clusters and stars that produce light. Other astronomical objects also generate light. For example, quasars can produce far more light than stars with a process whereby particles orbit a large black hole at high speed generating light energy. Other things in space, such as the Moon, simply reflect light from the Sun.Natural Things
Beyond space, there are other elements of nature that can produce significant amounts of light such as fire, lightning, auroras and lava.Bioluminescence
Bioluminescence is the ability of organisms to produce light with a chemical reaction. In some cases, organisms appear to produce light but the light actual originates with symbiotic bacteria. Bioluminescence can be used as camouflage, to lure prey, to signal other members of the same species or in the mimicry of other animals.Human-Made Things
Humans have produced a large number of technologies that can produce light from electricity including many competing types of light bulb and display screen technology. Other light emitting technologies include things like welding torches and lasers. There are also many types of traditional lighting methods such as fireplaces, candles or oil lamps.Next read: Examples of Light