The sky goddess Nut as a cow
In Egyptian mythology, Nut was the goddess of the sky. Her body made a protective layer over the Earth. Nut was the sister and wife of Geb, and the mother of (with Ra) Osiris, Nephthys,Isis and Seth and grandmother of Horus. Horus was also a grandchild of Ra.]]
The ancient Egyptians believed that Nut swallowed the sun-god, Ra, every night and gave birth to him every morning.