Photos appear to show a giant ship hovering over the water off the English coast

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A man says he was "stunned" to look out to sea from a village in Cornwall, in southwest England, and see a giant ship seemingly suspended in mid-air over the water. It wasn't his eyes deceiving him, but a rare weather phenomenon that causes the optical illusion. BBC News meteorologist David Braine explained that what David Morris had captured with his camera lens wasn't levitation, but a "superior mirage," caused by conditions more typical in the frigid arctic than off the English coast.

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"Superior mirages occur because of the weather condition known as a temperature inversion, where cold air lies close to the sea with warmer air above it," Braine said. "Since cold air is denser than warm air, it bends light towards the eyes of someone standing on the ground or on the coast, changing how a distant object appears." Previous sightings of "ghost ships" around the world may well have involved the illusion, but the stark images captured by Morris seem to be some of the clearest examples of a superior mirage to date.

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