Short description of Grand Tour 3D 1.21: The Distant Suns-Grand Tour 3D screen saver is a high-speed full motion solar-system simulator using OpenGL technology and accelerated graphics.The positions and rotations of each of the planets and their moons are accurate to the current date and time! Watch the moons of Saturn in their daily dance around the majestic ringed world or the Earth rotate under your feet. Rated 4 stars by PC Mag (June 8, 2004)