XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX PLASY XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX The Planetary System (HP49) A comfortable overview on the most important physical and geometrical data. The options of the 2-page menu display sun or earth distance, diameter, orbit velocity, orbit ecliptic or axis inclination, mass in units of the earth mass, and the length of a year in units of the earth year. -------------------------------------------------- Wolfgang Rautenberg raut@math.fu-berlin.de www.math.fu-berlin.de/~raut ftp.math.fu-berlin.de/pub/usr/raut