- Class. Myth. the immortal twin of Castor
- a giant, orange, variable star, actually the brightest star in the constellation Gemini although it is considered the twin of Castor: magnitude, 1.16
Origin of PolluxL, earlier Polluces from Classical Greek Polydeuk?s
- One of the Dioscuri.
- A binary star in the constellation Gemini, approximately 33 light years from Earth and of roughly equal brightness with Castor.
Origin of PolluxLatin Pollūx from Greek Poludeukēs
Named from Greek mythology; see etymology at castor (“a mineral").