- Castor (stars.astro.illinois.edu)
CASTOR (Alpha Geminorum). In classical mythology, Castor is the mortal twin of Pollux, the twin warriors whose stars dominate the bright zodiacal constellation of Gemini.
- Cleomedes (crater) (Wikipedia)
Cleomedes is a prominent lunar impact crater located in the northeast part of the visible Moon, to the north of Mare Crisium. It was named after Greek astronomer Cleomedes. It is surrounded by rough ground with multiple crater impacts. The irregular crater Tralles intrudes into the northwest rim. To the east is Delmotte. North of Cleomedes is a triple-crater formation with Burckhardt occupying the center.
