Why Alien Machines Found In Old Painting?

Why there are Alien-Shape object in some Biblical paintings?

Why are there UFO-like objects in the Glorification of the Eucharist?. What is a machine resembling the Sputnik satellite doing in a painting from the year 1600?. If the sphere is said to represent the universe, why did the painter not include any stars or other celestial objects?.

These are the tough questions that will be answered in this video.