Orbs can appear in video, on film and can also be seen by the naked eye. They can appear as coloured balls of light that free float in the air. Colors range from white and blue to green and gold. Orbs, when under observation, have been thought to have sentient capabilities as they appear to interact with the individual or group. Orbs are the most common form of paranormal photography investigators get. The problem with orbs is the common element of dust, water, static.