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

New Frontiers
This CD-ROM celebration of space, and those who seek to conquer it, is the premier screen saver and desktop photo collection, including over 400 full-color NASA photographs from historic satellite, orbital and lunar missions. Spectacular shots include shuttle lift-offs, Magellan space probe...
http://ftp.rissnet.com/screensavers/newfrntr.zip - 23Kb - Download - Screenshot

Attack of the Little Green Men
The people of Earth are in a panic! A gigantic spaceship has been ominously hovering over the planet for two days now! The world waits nervously, not knowing if the occupants mean them harm. But unknown to anyone, NASA has been developing the world's first space fighter ship for several years. ... You are that someone! ... Go on the offensive against bizarre enemy aliens in this action-packed side scrolling space shooter that mixes the familiar old school gameplay with amazing 3D graphics and surround sound that completely suck you in.
http://www.fun3dgames.com/download/LGMv12Trial.exe - 1Mb - 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... 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! ... This screensaver can also be used for educational purposes.
http://www.fpsoftlab.com/saturn3d.exe - 1Mb - Download - Screenshot

Earth 3D Space Tour
This unique 3D-accelerated (OpenGL) screensaver features true photo-realistic and astronomically accurate 3D animation of the Earth viewed from Space. It will catch your eyes by beautiful scenes of cosmic sunrises and sunsets, amaze you by stunning real-looking atmosphere effects, oceanic... Each frame of this endless animation is comparable with best NASA photos, so this screensaver can also be used for educational purposes. ... Arbitrary camera flyby trajectory allow to admire the Planet in different perspectives and views.
http://www.fpsoftlab.com/earth3d.exe - 2Mb - Download - Screenshot

Awesome Experimental Aircraft Screen Saver
A photo slideshow screen saver with experimental aircraft photos from NASA and Dryden Flight Research. All photos are 800x600 high-quality images (a 1024x768 version is available from our web site). Other features include transition effects, black and white mode, password use, and extract photos... This Lite version with 5 photos is free, The Gold Edition has 42 photos and may be purchased at Awesome-Screens.
http://www.awesome-screens.com/zip/experimental_aircraft.zip - 1Mb - Download - Screenshot

3D Galaxy Screensaver
3D Galaxy Screensaver, as you've already guessed from the name, is a three dimensional screensaver picturing a galaxy. The screensaver continues the space series of screensavers from www. deaddybear. com - 3D Earth, 3D Earth: Armageddon Edition, and 3D Space Gladiators. ... 3D Galaxy Screensaver was created with the help of astronomers and NASA specialists to give you more or less realistic representation of what a galaxy looks like. ... No need to look through a telescope, fly to a space station or do anything else.
http://www.deaddybear.com/files/3dgalaxy.exe - 1Mb - Download - Screenshot

365 Space Shuttle Screen Saver
Join NASA astronauts as they carry out their mission ABOARD THE SPACE SHUTTLE. This space screensaver is loaded with over ASTOUNDING IMAGES images featuring lift offs, space walks, satellite deployments, rendezvous with MIR and the International Space Station, Hubble Space Telescope servicing,... com screen savers come with STICKY NOTE support so you can leave an on-screen message while you are away from your computer and WALLPAPER support so you can use any screensaver image as your desktop background.
http://365multimedia.com/cart/download~asp-shareware.org~sss.exe - 8Mb - Download - Screenshot

Awesome Experimental Aircraft II Screen Saver
A photo slideshow screen saver with experimental aircraft photos from NASA and Dryden Flight Research -- Part II. All photos are 800x600 high-quality images (a 1024x768 version is available from our web site). Other features include transition effects, black and white mode, password use, and... This Lite version with 5 photos is free, The Gold Edition has 42 photos and may be purchased at Awesome-Screens.
http://www.awesome-screens.com/zip/experimental_aircraft_2.zip - 1Mb - Download - Screenshot

Awesome Geology from Space Screen Saver
A photo slideshow screen saver with beautiful NASA/JPL radar images of geological formations around the world, including volcanoes, rivers, mountains, and more. The false-color palettes used in these images make them beautiful to look at as well as interesting to study. ... This 5-photo Lite version is free, the Gold Edition has 42 photos and may be purchased at Awesome-Screens. ... com. ... Other screen saver features include transition effects, black and white mode, password use, and extract photos as wallpaper, including built-in wallpaper cycling every hour or every day.
http://www.awesome-screens.com/zip/geology_from_space.zip - 2Mb - Download - Screenshot