Cum autem cursum itineris sui peragens subiret sub orbem solis, tunc eam radiis et impetu caloris corripi convertique candentem propter eius proprietatem luminis ad lumen.
Now when it traverses the course of its orbit, and comes under the suns disk, it is attracted by the suns rays and violent heat, and, because of the property of the suns light, the shining hemisphere of the moon turns to that light.
final_alignments\Vitruvius_Architecture_Book_9.json