300 Science Quizzes: 150 Capital city quizzes, 120 Chemistry and Periodic Table quizzes, 20 Astronomy picture-quizzes and 10 questions about the speed of light for middle and high school students.

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.

Solar System is a fully 3D environment screensaver which serves both the screensaver and an educational astronomy program. This screensaver views all planets of our solar system on your desktop.You can even set your own MP3 as a custom soundtrack !

Experience accessible astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live tracking.

Complete astronomy software suite exploring realistic skies in real time, with observing log, Live Orbits, Sky Quiz, spoken guidance, A-Z encyclopedia, and a concentrated search embracing planets, comets, asteroids, DSOs, and 300,000 stars.

An amazing 12-tool collection! Postage Calculator, Time Calculator, Date Calculator, Alarm Clock, Area Code Finder, Zip Code Finder, Astronomy Calculator, State Abbreviations, Perpetual Calendar, Measurement Converter, Stopwatch, Printing Calculator.

Experience complete astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live orbit-tracking. Sky Quiz and two encyclopedic reference sources are interactively linked to the sky display

Beautify your desktop with this stunning Cosmic wallpaper generator. Every day, hour, or less, Cosmic Scenes will create a beautiful and original 3D Cosmic image and install it as your desktop wallpaper. A MeanFox.com product.

Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto).

The World Almanac displays solar and lunar data for every 30 minutes throughout the day in addition to the times of rise, set and twilight as well the lunar phase. Includes database of towns for Australasia(Aus/NZ), Canada. UK and USA.

EarthWatch displays a graphical world clock with a dynamic map image of the world showing the day and night areas, a sundial, and an information panel featuring sunrise/sunset times and much more -- all in real-time or time-lapse animation.

A software program that allows you to study how astronomical objects move and interact under the force of gravity. It features superb interactive 3D graphics which allow you to move around within an astronomical system, while watching how it evolves.

Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator covering the period 3000 BC to AD 3500. It calculates heliocentric, geocentric, and topocentric positions of the Sun (Earth), Moon, and planets.

The prime purpose of Gravitorium is to let you play with ideas about gravity and gravitational systems. Create an entirely new solar system from scratch!

A stunning and mesmerizing 3D screensaver that takes you on a never-ending voyage into the depths of Space. Soar past stars and nebulae and experience the wonders of the Universe ! Marvel at the never-repeating beauty of this visual feast.

See 2500 stars, all 88 constellations, planets and the moonphase from 1600 AD to 9999 AD from any location on earth. Print todays night sky ! Nice visuals, smooth animation, simple controls, good planet data too.

A software program that allows you to study how astronomical objects move and interact under the force of gravity. It features superb interactive 3D graphics which allow you to move around within an astronomical system, while watching how it evolves.

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.

Animated weather radar & satellite, local temperature in tray, local weather, internet time sync, sun/moon rise, map, animated moon phase, planets, eclipse, equinox/solstice, meteors, dictionary, thesaurus, calculator, full year calendar, 27 holidays