The list can grow extremely large, so some examples only are provided below -
Things that emit Natural Light
- Stars
- The Moon (the Sun reflects off the Moon at night. The moon doesn't directly emit it's own light)
- Lightning
- Dismalites (Larve of the Orfelia Fultoni worms which emit light to attract food)
- Anglerfish
- Bioluminescent Jellyfish
- Firefly Squid
- Dinoflagellates (Plankton-like micro-organisms which glow when disturbed)
- Glow-worm (found in caves)
- Foxfire (mushrooms that glow green in the dark)
- Vibro Harveyi Bacteria (glowing mass of bacteria found on the surface of tropical oceans that can even be seen from space)
- Aurora Borealis (also known as the Northern Lights)
- Meteors and meteorites
- Photosphere
- Corona
- Supernova
- Gamma-ray burst
- Volcanoes/Lava/Lava lakes
Non-Natural emitted light
- Traffic lights
- Concert lights
- Flood lights
- Flares
- High-Pressure Sodium light (HPS)
- Nuclear reaction
- Glowsticks (Chemoluminescence)
- Radioluminescence
- Triboluminescence
- Rushlight
- Flash powder (used in military stun grenades)
- Argon flash
- Halogen
- Plasma
- Xenon flash
- Carbon Arc lamps
