Pat> > Open Universe: a solar system body simulator Pat> > http://www.ofset.org/freeduc/view.php?softwareID=32 Pat> Pat> This is the succesor to Ssystem, which is very neat. The Ssystem Pat> debian maintainer is working on some speed problems he encountered when Pat> testing Open Universe. Oh, this relies on OpenGL, so this may be totaly unusefull in low end PC. Hilaire