Namque uti septemtrionis circum axis cardinem versantur non occidunt neque sub terram subeunt, sic circa meridianum cardinem, qui est propter inclinationem mundi subiectus terrae, sidera versabunda latentiaque non habent egressus orientis supra terram.
For just as the two Bears turn round the pole, neither setting nor going under the earth, so round the southern pole which, because of the obliquity of the universe, lies under the earth, constellations are turning in concealment without coming forth and rising above the earth.
final_alignments\Vitruvius_Architecture_Book_9.json