Perseus (constellation) may be derived from the Babylonian Old Man (MUL.SHU.GI) constellation, then associated with East in the MUL.APINan astronomical compilation dating to around 1000 BCE. In Greek mythology, Perseus was the son of Danaë, who was sent by King Polydectes to bring the head of Medusa the Gorgon — whose visage caused all who gazed upon her to turn to stone. Perseus slew Medusa in her sleep, and Pegasus and Chrysaor appeared from her body. Perseus continued to the realm of Cepheus whose daughter Andromeda was to be sacrificed to Cetus the sea monster. Perseus rescued Andromeda from the monster by
Medusa (Supergirl) Medusa (Supergirl) "Medusa" is the eighth episode of the second season from The CW television series "Supergirl", which aired on November 28, 2016. The episode features a minor tie-in with the Arrowverse crossover event "Invasion!" Kara, James, Winn, Alex, Eliza and Mon-El celebrate Thanksgiving. Alex intends on coming out to Eliza, while James and Winn debate revealing the truth about Guardian. A mysterious interdimensional portal opens over the table. J'onn intends to discover Cadmus's plan with Kara's blood. Kara visits Lena Luthor to discern what she knows about her mother, Lillian Luthor, and Cadmus. Lena alerts Lillian that a reporter