Ball lightning is an unexplained and potentially dangerous atmospheric electrical phenomenon. The term refers to reports of luminescent, spherical... | By Discover Earth | Facebook
Ball-Lightning by Vusiuz on DeviantArt
Ball Lightning
Does Ball Lightning Exist? | Britannica
Rare Ball Lightning Captured On Video - YouTube
The Incredible Phenomenon of Ball Lightning - The Fact Site
Natural ball lightning probed for the first time | New Scientist