Mysterious ball lightning caught on video in Switzerland

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Is this a ball lightning?

Or just the moment the lightning touched the ground! Thanks to tell me!

What is ball lightning?

Ball lightning has been reported to appear during thunderstorms as a glow for centuries. It can range from the size of a golf ball to several metres across.

The glow appears in the air for between one second and tens of seconds. There are a number of reports of such glows injuring or even killing people and setting buildings alight.

One theory about the phenomena is the ball is caused when lightning striking the ground vapourises some of the silicate minerals in soil. Carbon in the soil removes the silicates of oxygen, creating a gas of energetic silicon atoms. These then recombine to form nanoparticles or filaments which, while still floating in air, react with oxygen, releasing heat and emitting the glow.

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