Stars and Planets
34 photos taken from the Hubble Space Telescope. Use this versatile screen-saver engine which rotates 34 photos of wildly colorful deep space stars and planets and an optional soundtrack of MIDI-based tunes. Features include your choice of up to 23 transition effects, Microsoft Plus! ... This nag-free trial version may be enjoyed up to a full week. ... Also included is a tray-based utility that lets you activate any installed Windows screen saver, change the default monitor protector, access screen-saver settings, and randomly launch a new monitor protector at regular intervals or when...
http://dl.winsite.com/bin/downl?1000000034574 - 2Mb - Download - Screenshot

Flyonoid
Year 2009? April 38? Monday? No fly with any insect dignity will ever forget this day. Yeah, that was the day when hordes of alien scum attacked our little green planet. These monstrous green freaks had harassed three grasshoppers, stolen spots from the lady bug? ... Right now all the flies from planet Earth are packed inside one-gallon glass jugs and are hidden on five different planets. ... Hans turned out to be a great mechanic. ... In the room next door, John and Hans have stumbled upon the latest model of the alien combat robot.
http://www.alawar.com/submit/Flyonoid.exe - 12Mb - Download - Screenshot

Grand Tour 3D
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! ... The constantly changing scenes assure and infinite variety of interplanetary vistas. ... Watch the moons of Saturn in their daily dance around the majestic ringed world or the Earth rotate under your feet. ... (As a result, this can also serve as a real-time clock.
ftp://ftp.monkeybyte.com/WinOS/ds_ss_install.EXE - 2Mb - Download - Screenshot

StarStrider
StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also the more than 100 000 stars from the Hipparcos catalogue, all in real-time 3D. You'll also find galaxies, nebulae, supernova... Made by an astronomer and a software engineer, StarStrider combines photo realism and scientific accuracy with plain fun and the esthetic enjoyment of beauty of the wonders of the universe! ... Free add-ons include an larger planet textures, and a huge database of 2 *million* stars!
http://www.starstrider.com/download/stars28.zip - 13Mb - Download - Screenshot

C88
C88 is an informational tool for amateur astronomers. It provides detailed informations about the celestial sphere objects, visible with naked eyes and for the use of an eyepiece of a modest amateur telescope to observe deep sky objects. Complex informations about the planets, sun and moon... The "solar system section" of C88 gives informations about the pysical, observational and optical parameters of the planets as well as it's orbital and rotational data. ... positions, magnitudes, sizes, spectral data, catalogue references) as well as specific data, like double/multiple star...
http://www.alcyone.de/c88/c8812.zip - 11Mb - 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

Planet Uranus 3D Screensaver
Uranus is unique in our solar system because it is tilted 98 degrees. When viewed from Earth, it appears to rotate on its side! At different times throughout its orbit, we can actually view one of the planet's poles head-on. The atmosphere is composed of hydrogen, helium, and methane. ... Uranus is the farthest planet from Earth that can be seen with the unaided eye but of course this can only happen on a clear, dark night. ... How about having the opportunity to watch this unique planet any time you like?
http://www.space-screensavers.com/files/planeturanus3d.exe - 2Mb - Download - Screenshot

Atomaders
This space-shooter is based upon the classical Invaders/Galaxian idea. You have to liberate your planet system from the alien invasion using your spacefighter. Player can obtain various extra-weapons and special abilities by destroying enemy cyborgs, fighters and motherships. ... Additional planet systems could be downloaded from the Internet. ... Each planet has its own cyborg types and an unique powerful boss at the last level.
http://kraisoft.com/files/atomadersdemo.exe - 9Mb - Download - Screenshot

Planet Venus 3D Screensaver
Venus is the second planet from the Sun and the sixth largest. The name comes from the Roman goddess of love and beauty. Venus has been known since prehistoric times. It is the brightest object in the sky except for the Sun and the Moon. It was long thought of as the Earth's twin. ... In reality the harsh conditions of Venus restrict our understanding of Earth's nearest neighbor. ... However, little by little, scientists are trying to unlock its secrets, uncovering the mysteries of the cloud-shrouded planet.
http://www.space-screensavers.com/files/planetvenus3d.exe - 4Mb - Download - Screenshot

Almanac
Almanac gives you the capability to determine the times of rising, setting, and meridian transit for the sun, the moon, and the planets. It also enables you to calculate the beginning and ending of astronomical, nautical, and civil twilight. The results of the calculations are formatted and... Parallax for the Sun and planets is small enought to be ignored for this application. ... Almanac assumes average atmospheric conditions in compensating for refraction. ... Lunar parallax changes the perceived altitude of the moon because the observer is not at the center of the earth.
http://home.att.net/~srschmitt/ALMNAC10.zip - 587Kb - Download - Screenshot