Colourful Flammarion Dome Poster (with border)

The Flammarion engraving Some commentators have claimed that Flammarion produced the image to propagandize the myth that medieval Europeans widely believed the Earth to be flat. In his book, however, Flammarion never discusses the history of beliefs about the shape of the Earth. His text suggests that the image is simply a fanciful illustration of the false view of the sky as an opaque barrier.