If this isn’t a UFO painted in the background, then what is it?
In this 15th-century painting, the central figures are Mother Mary and baby Jesus, but it’s the background that captures attention. Positioned high on a hill, a shepherd and his dog stare intently into the sky. The shepherd shields his eyes from the sun to get a better view of a glowing, disc-shaped object floating in the skyline. The nature of this object is unclear, and while some suggest it could be a Renaissance portrayal of aliens, others argue it’s simply an unidentified flying object.