This post is a list of sources of light. There are 33 sources listed below alphabetically.
Campfire
Candle
Firefly
Photo source: Wikimedia Commons, Clement Eustache
License: CC BY-SA 4.0
Fireworks
Photo source: Wikimedia Commons, Michael Lane
License: CC BY-SA 2.5
Flashlight
Photo source: Wikimedia Commons, Carschten
Fungi
Photo source: Wikimedia Commons, Ylem
Gasoline explosion
Photo source: Wikimedia Commons, PDphoto.org
Jellyfish
Photo source: Wikimedia Commons, Sierra Blakely
Lamp
Photo source: Wikimedia Commons, Fopseh
License: CC BY-SA 4.0
Lantern
Photo source: Wikimedia Commons, 4028mdk09
License: CC BY-SA 3.0
Laser
Photo source: Wikimedia Commons, National Cancer Institute
Lightbulb
Lighthouse
Lightning
Photo source: Wikimedia Commons, Fir0002/Flagstaffotos
License: CC BY-NC 3.0
Match
Moon
Photo source: Wikimedia Commons, W.carter
License: CC BY 4.0
Star
Photo source: Wikimedia Commons, NASA
Street light
Photo source: Wikimedia Commons, Aulo Aasmaa
License: CC BY 3.0
Television screen
Photo source: Wikimedia Commons, Birmingham Museums Trust
License: CC BY-SA 4.0
Torch