Am I a Natural or Artificial Source of Light?

star

• artificial source

• natural source

glow stick

• artificial source

• natural source

lamp

• artificial source

• natural source

glow worm

• artificial source

• natural source

flashlight

• artificial source

• natural source

Christmas lights

• artificial source

• natural source

sun

• artificial source

• natural source

firefly

• artificial source

• natural source

moon jellyfish

• artificial source

• natural source

headlight of a car

• artificial source

• natural source