His colleague Giovanni Riccioli then named it Galilaeus, after Galileo Galilei. The name was later transferred northwest to the current crater Galilaei. References Other references Ewen A. Whitaker, Mapping and Naming the Moon: A History of Lunar Cartography and Nomenclature, Cambridge University Press, 1999, . External links Overexposed 35mm Nikon camera image of Reiner Gamma from Apollo 17: AS17-158-23895 Lunar Orbiter 4 image showing Reiner Gamma in upper left: IV-157-H1 Geological features on the Moon