The Aegean Sea occupied the centre of the map, while the line where ocean and firmament seemed to meet represented an enlarged horizon.
FIRMAMENT, the sky, the heavens.
To the men who fought against the rising truths of physical philosophy, it seemed that if they admitted that truth it would destroy faith in God, in the creation of the firmament, and in the miracle of Joshua the son of Nun.
Marble floor is a representation of the firmament inlaid in copper.
Which dates perhaps from the second, perhaps only from the first, decade of the third century, 3 it is said that Beliar, the king of this world, would descend from the firmament in the human.