Ancient Egyptians were aware of the ‘demon star’, as analysed from a 3,200 years old papyrus
The variable star Algol, sometimes also known by its moniker 'Demon Star' (the name Algol itself is derived from the Arabic term for the Demon's Head - which probably denoted the head of Medusa) is famed for its 'winking' nature. This scope of variable brightness was possibly associated in ancient times with the winking eye…