Passages that try to explain how the world works, with no judgement about how accurate or erroneous their explanations are.
The Dance of the Heavens
“Others have suggested that during the hours of night, when the sun’s course is beneath the earth, an occasional gleam of its light may shoot up into the sky; for they insist that Greenland lies so far out on the earth’s edge that the curved surface which shuts out the sunlight must be less prominent there.” […]