Leda (mythology) and by him, mother of Helen of Troy, Clytemnestra, and Castor and Pollux (also spelled "Castor and Polydeuces"). Leda also had other daughters by Tyndareus: Timandra, Phoebe, and Philonoe. Leda was admired by Zeus, who seduced her in the guise of a swan. As a swan, Zeus fell into her arms for protection from a pursuing eagle. Their consummation, on the same night as Leda lay with her husband Tyndareus, resulted in two eggs from which hatched Helen (later known as the beautiful "Helen of Troy"), Clytemnestra, and Castor and Pollux (also known as the Dioscuri). Which children are the
Castor (star) Castor (star) Castor, also designated Alpha Geminorum (α Geminorum, abbreviated Alpha Gem, α Gem) is the second-brightest point of light in the constellation of Gemini and one of the brightest in the night sky. It appears singular to the naked eye, but it is actually a sextuple star system in three binary pairs made up of the stars Castor Aa, Castor Ab, Castor Ba, Castor Bb, Castor Ca, and Castor Cb. Although it has the Bayer designation "alpha", it is fainter than Beta Geminorum, Pollux. Castor was recorded as a double star in 1718 by James Pound. It may have