https://chasinggods.com/three-profound-meanings-of-the-ouroboros-symbol/The earliest record of the Ouroboros iconography was found in the Enigmatic Book of the Netherworld, an ancient Egyptian funerary text dating back to around 1600 BC
https://www.tokenrock.com/explain-ouroboros-70.htmlIn mythology, the Oroborus is a symbol representing the Milky Way galaxy. Myth refers to a serpent of light residing in the heavens. The Milky Way is this serpent, and viewed at galactic central point near Sagittarius