Aciqra is a free and open source virtual planetarium and sky mapping program which tracks celestial bodies including planets, deep sky objects and stars to an accuracy of a fraction of a degree for thousands of years into both the future and the past.
Combine multiple sights on different tracks. Data available for 9999BC to 9999AD including a Star Atlas, twilights and eclipses. It will print conventional Nautical Almanac pages while the voyage plan is a sophisticated tool in its own right.
Downloads: 96838 - Shareware - Download Now
Complete 2011 Nautical Almanac in pdf format. Includes monthly star charts with the planet's positions.
Downloads: 119276 - Freeware - Download Now
Accurate, flexible wireframe simulator for the Voyager and Giotto space missions, with animation capability. Developed at JPL for science/navigation, and filmed by the BBC/NOVA. Conveniently runs from any Windows/DOS.
Downloads: 115216 - Freeware - Download Now
Twelve months in the making and Solar Kingdom has now been released.
Downloads: 101272 - Demo - Download Now
View a dark energy inside Solar system on your dektop with this screensaver! This screensaver shows all planets of our solar system, uncluding Saturn`s rings. It makes you able to know about dark matter and dark energy in our planet system.
Downloads: 81677 - Freeware - Download Now