Adastra Plus
A complete astronomy experience is in store -- with real-time sky, comprehensive reports, arcsecond accuracy, and exciting features such as animation and live orbital tracking. Adastra's powerful search encompasses planets, comets, asteroids, DSOs, and a multitude of stars, making exploration... Solar Guide takes you on a tour of our Solar System interactively linking to both Sky and Picture windows. ... Advance, retard, or animate the simulation's clock by years, months, days, and minutes of sidereal or solar time; track any selected object through the sky in both real-time or fast-forward.
http://www.skynow.com/coeli/software/astrapl.zip - 4Mb - Download - Screenshot

Titan Attacks
Save the Earth from evil alien invaders from Titan! Fight your way across the solar system to defeat the aliens on their homeworld. Upgrade your ship with bigger guns from bounty money. Defeat the alien mothership! Fantastic retro arcade action over 100 levels with 5 worlds.
http://www.puppygames.net/downloads/SetupTitanAttacksDemo.exe - 7Mb - Download

EasySky
Astronomy software, shows you the complete night sky (340,000 stars) and our solar system in a 3D orrery view with the planets, asteroids, and comets from any place at any time. All settings can be saved in different documents. Animations let you understand the motions of the celestial bodies or... The demo version contains less objects and some minor restrictions. ... Printing.
http://www.easysky.de/eng/download/esd30115eng.exe - 6Mb - Download - Screenshot

Saturn 3D Space Tour
Saturn's ring system makes the planet one of the most beautiful objects in the solar system. It was difficult to reflect it's beauty by computer simulation, but after a lot of experiments on cutting edge of modern 3D technologyies we have reached the target of really photo-realistic simulated... This screensaver can also be used for educational purposes. ... Ring's shadows, incredible cosmic sunrises, atmospheric refraction and many other features makes the each single frame of endless smooth animation comparable with best NASA photos!
http://www.fpsoftlab.com/saturn3d.exe - 1Mb - Download - Screenshot

CyberSky
CyberSky is an exciting, entertaining, and educational astronomy program that transforms your personal computer into your personal planetarium. CyberSky provides an excellent way to learn about astronomy and to explore the wonders of the sky visible in the distant past, the present, and the... Sky charts can include stars, constellations, deep sky objects, and solar system objects, and can be enhanced by the addition of labels, coordinate system grids, and reference lines. ... CyberSky provides an excellent way to learn the names and positions of the stars, constellations, and deep sky...
http://www.cybersky.com/csky331s.zip - 995Kb - Download - Screenshot

euphOrbit
euphOrbit version 1. 0 is a simple tool designed to simulate the motions of planetary bodies in space. The primary design philosophy of this program was that it had to simulate asteroids speeding through our Solar System close to "true life". Initial positions of planets and asteroids are... The bodies are then plotted as they move according to the laws of gravitation.
http://mjab2002.republika.pl/setup.exe - 0b - Download - Screenshot

All Space
This screensaver shows a selection of the images available in our outer Space Series screensavers: American Space Shuttle, Deep Space, Solar System, and Spacecraft. These images include nebulae, galaxies, planets, moons, comets, asteroids, interplanetary probes, space stations, satellites, and... This screen saver contains 63 amazing images.
http://www.soft2d.com/graphics_&_m...eensavers/files/allspa30trial.exe - 2Mb - Download - Screenshot

Only Near Space Travel
Start virtual travel around Near Space with our 3d model of Solar System. Look at hot stone called Mercury and cloudy Venus, blue Earth and red Mars, its channels are fantastic and snow hats are realy exist. Jupiter Red spot is an one secret of largest planet. ... Uran, Neptune, Pluto, Satellites and Asteroids are in our screensaver. ... It's amazing. ... Look at rings of Saturn.
http://www.onlyscreensavers.com/files/solarsystem.exe - 6Mb - Download - Screenshot

Planet Saturn 3D Screensaver
Saturn is a large gas planet with an atmosphere composed of hydrogen and helium. It has the lowest density of any planet in our solar system. In fact its density is so low that it would float if it was placed in water! Visually, Saturn is flattened at the poles, due to the quick rotation on its... Saturn is known for its extensive ring system which is formed by a thousand individual rings. ... They are mainly composed of water ice and dust. ... Planet Saturn 3D Screensaver is an extraordinary 3D representation of this fascinating ringed planet.
http://www.space-screensavers.com/files/planetsaturn3d.exe - 2Mb - Download - Screenshot

Space Exploration 3D Screensaver
The rings of Saturn have puzzled astronomers ever since they were discovered by Galileo in 1610, during the first telescopic observations of the night sky. Have you ever dreamed of getting a chance to see them with your own eyes? This screensaver is an outstanding 3D model of the Solar System. ... You get to float through some of the best known constellations like the Big Dipper and get a great view of the Milky Way. ... It's not only the sheer beauty but also the educational content that make Space Exploration 3D Screensaver an absolute must-have.
http://www.digimindsoft.com/spaceexpl3d.exe - 6Mb - Download - Screenshot