sentences:  The suffixes "-gee", "-helion", "-astron" and "-galacticon" are frequently used in the astronomical literature when referring to the Earth, Sun, stars, and the galactic center respectively.The suffix "-jove" is occasionally used for Jupiter, but "-saturnium" has very rarely been used in the last 50 years for Saturn.The "-gee" form is also used as a generic closest-approach-to "any planet" term—instead of applying it only to Earth.