Sources of Light and Non-Sources of light

Moon

• light source

• non-light source

• non-light source

• light source

• light source

• non-light source

• light source

• non-light source

a mirror

• non-light source

• light source

a firefly

• light source

• non-light source

a diamond

• light source

• non-light source

ocean

• non-light source

• light source

The sun

• light source

• non-light source

Volcanic lava

• light source

• non-light source