Orbs can be real and well documented. In the past they have been called spook lights, and ghost lights.

However, we didn't see all the orbs in pictures until digital cameras came out. We now know how orbs are created by digital cameras.

Most orbs captured in these pictures are because of dust, or some airborne particle and bugs .

I've seen orbs with the naked eye. They gave off light. most in photos captured today don't..