There is no shortcut to uncover the unexplainable mystery of ghost appearances out there but to learn to be open minded and conduct research.
Paranormality
Overlapping Dust Orbs: An Example of Multiple Dust Orbs
These research findings are an example of how multiple dust orbs overlap each other when they float around.
Mosquito: Its Prominent Signature on Slow Shutter Video Recording
Mosquito had its long antenna that become its prominent signature when it captured under slow shutter camera or video camera recording.