XEphem is an interactive astronomical ephemeris program for X Windows systems. For a full tour of features and the latest news, visit the XEphem home page at: http://www.clearskyinstitute.com/xephem/xephem.html In brief, XEphem can display views of the sky, moon, Earth, solar system, Jupiter, Saturn, and Mars, and can print any view or save it to a postscript file. For a tour of the features of XEphem, see: http://www.clearskyinstitute.com/xephem/tour.html