Geminus

Geminus of Rhodes (Γεμῖνος ὁ Ῥόδιος), was a Greek astronomer and mathematician, who flourished in the 1st century BC. An astronomy work of his, the Introduction to the Phenomena, still survives; it was intended as an introductory astronomy book for students. He also wrote a work on mathematics, of which only fragments quoted by la...
Found on http://en.wikipedia.org/wiki/Geminus

Geminus

[crater] The circular rim of Geminus contain a number of outward notches, particularly to the north and east. The crater ejecta is still visible in the rough surroundings beyond the rim, but any rays deposited during the impact have long since been worn away by space weathering. The inner wall is wide and extensively terraced, although thes...
Found on http://en.wikipedia.org/wiki/Geminus_(crater)

geminus

Latin, meaning: twinned / double / paired / half and half
Found on http://archives.nd.edu/ggg.htm
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