Ball lightning is an unexplained and potentially dangerous atmospheric electrical phenomenon. The term refers to reports of luminescent, spherical... | By Discover Earth | Facebook
Does ball lightning zip around close to the ground, or did I see some other phenomenon? How is ball lightning possible? Seeing it is magnificent. - Quora
Ball Lightning | Highbrow
Ball-Lightning by Vusiuz on DeviantArt
Does ball lightning really exist? | HowStuffWorks
Ball Lightning: Weather's Biggest Mystery | Answers With Joe - YouTube
Ball lightning bamboozles physicist › News in Science (ABC Science)
A New Explanation for One of the Strangest Occurrences in Nature—Ball Lightning - Nautilus