TWO CLEAR BALL LIGHTNING VIDEOS DYING OUT BY EXPLOSION OR SPLITTING.Two different ball lightnings with electric explanation of a negative electron based shell and positron based center.
BALL LIGHTNING OVER RAIL PLATFORM
https://www.youtube.com/watch?
But also at the top of an electric post along the street.
https://www.youtube.com/watch?
see: https://www.scientificamerican.com/article/strange-extragalactic-strands-mystify-astronomers/
Why multiple strands lightyear long? because BHs and plasma tails are negative charged ( see above)