Ball lightning is a rare and unexplained phenomenon.
Notes on verification
Confirmed by multiple independent, credible sources including Britannica, a peer-reviewed Nature Scientific Reports paper, and AGU's Eos, all agreeing ball lightning is rare and lacks a confirmed scientific explanation. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.867 clusters=3 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://www.ncbi.nlm.nih.gov/pmc/articles/PMC4916449/ (corroboration)
- https://eos.org/articles/have-you-seen-ball-lightning-scientists-want-to-know-about-it (corroboration)