Canary Islands luminous-sphere sighting

Record summary

What happened Hundreds of residents and Spanish Navy personnel reported a large luminous phenomenon over the islands and sea. Some observers described a transparent sphere with figures inside, while photographs show an expanding bright cloud. Declassified Spanish files investigated the event. Evidence Mass witnesses, naval reports, official files and photographs document the luminous display. Explanations considered A U.S. Navy Poseidon missile launch from a submarine, producing a high-altitude exhaust cloud illuminated by the Sun, strongly fits timing and appearance. What remains uncertain The launch explanation addresses the large display; close-detail descriptions of figures are vulnerable to distance and expectation effects. Primary source Canary Islands luminous-sphere sighting — Wikipedia