It is a mixture of commentary, topical essays (on angels and space, the elements, light, the sky, planets, spheres, heaven and earth) and source book.
In this image, a parapet separates an outdoor porch or balcony from a background landscape of sky, trees, hills, and water.
Days are rainy only when skies are cloudy, but rainy days do not make cloudy skies obligatory.
Of course, once a balloon had taken off and reached a certain point in the sky, it became impossible to control who watched.
This quite large paradigm of pairings is linked to a notion that the animals circulate between bird-form in the sky and fish-form in streams.
If the sky is clear, the requirement is for a daylight factor of about 0.5% and direct sun must be excluded.
It is worth commenting on the projected density of the habstars on the sky.
The bird came to him from the east at night when dawn lighted the sky, and circled above him.