Heliopolis cosmology
An image of Nut, as the female embodiment of the heavens, through which the sun, in the form of the god Ra, conceptually travels; shown being held aloft by the god Shu (air), who separates Nut from her lover Geb (earth). [1]
In religio-mythology, Nut, hieroglyphics: Nut H1, Nut H2, Nut H3, or Nut H4; is the Egyptian goddess of the heavens; daughter of Shu (air) and Tefnut (moisture); female counterpart to Geb (earth); mother of the god-goddess pairs: Osiris-Isis and Set-Nephthys. [1]

The following shows an image of Nut giving birth to the sun (Ra), out of her vagina, the rays of which falling on the goddess Hathor in the horizon: [1]

Nut giving birth

Images of this sort, to note, are found on the walls at the Dendera temple.

The following are related quotes:

Plutarch's version of the myth of Isis and Osiris connects the various episodes, many of which can be documented from Egyptian sources, into a single, running narrative (On Isis and Osiris, 12-19). The story begins with Kronos (Geb, the Egyptian earth god) and Rhea (Nut, the Egyptian sky goddess) overcoming the curse of Helios (Re, the sun god) with the help of Hermes (Thoth, the Egyptian moon god) by producing five children on five intercalary days: Osiris, Horus, Typhon (Set), Isis, and Nephthys. As pharaoh of Egypt, Osiris brings civilization to that country and to the whole world. Typhon, however, gathers conspirators and plots to kill Osiris. First, he imprisons Osiris within a coffin and throws it into the Nile River, and later he dismembers the body of Osiris and scatters the pieces all around Egypt. One piece, the penis, is lost forever in the Nile River. In both episodes, the reproductive power of Osiris is sub-merged in the Nile. (Isis grieving and searching for Osiris and burning away the mortality of the infant prince of Byblos can be compared with …”
— Marvin Meyer (1999), The Ancient Mysteries (Ѻ)

1. Budge, Wallis. (1904). The Gods of the Egyptians, Volume Two (§:Nut, pgs. 100-; image, pgs. 94-96; Nut giving birth image, pg. 101). Dover, 1969.

External links
Nut – Wikipedia.

TDics icon ns