Chinese Calendar converter and a tool for the study of the Chinese Calendar

The World Almanac displays solar and lunar data throughout the day.

Software to find dates and times of lunar and solar eclipses and lunar phases

Solunar Predictions for Astonomy, Fishing, Gardening, Hunting and Photography

Use almost any webcam to make time-lapse, motion-detect, or planetary movies.

Visit stars & planets, see galaxies & nebulas, try this 3D software planetarium!

2500 stars, 88 constellations and planets, moon from different locations.

A program for studying how objects move and interact under the force of gravity.

A program for studying how objects move and interact under the force of gravity.

Complete talking astronomy software suite with encyclopedic reference

For students aged 9 - 12 in Primary 3 - 6. 2000 quizzes and structured questions

Colorful pictures of 9 Planets and the Sun with basic scientific descriptions.

Screensaver with over forty incredibly detailed images of space.

Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator.

Full-motion solar-system flight simulator using OpenGL.

High-quality Australian photo collection for Desktop Publishing and Multimedia.

Clock, Calendar, Weather, Radar, Satellite, Temperature, Moon, Maps, Animated

An accurate digital orrery with a wealth of functionality.

Create a stunning new Cosmic wallpaper image for your desktop - every day !

Journey into the depths of the Universe with this stunning 3D screensaver !

Simulates the motion of planets and stars under gravity.

CyberSky is an accurate, yet easy-to-use planetarium program.

Detailed informations about the celestial sphere objects, visible with naked eye

Play and experiment with virtual reality simulations.

Real stars and galaxies in 3D and full color, with known planetary systems.

Beautiful, educational, real time or time-lapse graphic world map clock/almanac.

300 Geography, chemistry and astronomy quizzes for middle school students.

Educational orbit and gravitation simulator for high school and college physics

A screen saver with beautiful images of deep space by the Hubble Telescope

Have fun learning astronomy. 8 skill levels. Includes planets, stars, and more.

Celebrate outer space on your desktop with this premier photo collection.