KENT WOOD / SCIENCE PHOTO LIBRARY KENT WOOD / SCIENCE PHOTO LIBRARY
A rare photograph proves the existence of the phenomenon of bead lightning, shown in the lower left. Bead lightning is lightning which appears to break up into a string of beads. There are several theories that have been proposed to explain it. It is relatively rare. This is a time exposure photograph in which there are multiple cloud to ground lightning strikes from the cumulonimbus cloud or thunderstorm. All the bolts on the right display continuity to the ground, continuous illuminated channels, whereas the bead lightning does not exhibit this. If it was a form of cloud to ground lightning then the spaces between the beads would be filled with light like the normal ionized channel of a lightning bolt. For the definitive wide view of this photograph.
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