Ball lightning is described as luminescent spherical objects that vary from pea-sized to several meters in diameter.
Notes on verification
Verbatim match to Wikipedia description, corroborated by multiple independent sources including scientific literature and patent documents on size range. [tier=gold indep_score=0.925 clusters=4 claim_tier=notable]
Sources
- Ball lightning (wikipedia)
- https://www.discovermagazine.com/is-ball-lightning-real-the-science-behind-natures-strangest-light-show-46620 (corroboration)
- https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6936971 (corroboration)
- https://sciencenotes.org/ball-lightning-phenomenon/ (corroboration)
- https://arxiv.org/pdf/physics/0411153 (corroboration)