It is often seen during thunderstorms, and is usually red, orange, or yellow in color.

There are many theories about what causes ball lightning, but none have been definitively proven. Some scientists believe it is related to normal lightning, while others think it may be a type of plasma or a self-contained electrical discharge. Some even believe it could be a form of hallucination or optical illusion.

Despite its mysterious nature, there have been many documented cases of ball lightning throughout history. While it is not considered dangerous, it can be a spectacular and awe-inspiring sight for those lucky enough to witness it. Further research is needed to fully understand this enigmatic phenomenon.