Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Easily create, run, print and save a simulation. Includes 29 introductory to advanced premade simulations with activities page in html-format. Uses actual pictures of planets. Plot orbits in a plane or in 3D. View time, distances, speeds, accelerations and energies as they change. Zoom and change parameters during the simulation.

In the last ten years astronomers have discovered over 130 planets beyond our own solar system. But sadly, with today's technology there are no direct images of these distant worlds. Planet Quest is our artistic vision of what these worlds might look like. Join us as we marvel at the infinity of creation - using the awesome power of your PC to create an infinity of worlds to enjoy and to marvel at, in stunning 3D. A 3D Wonders creation.