1)   Science Quiz 2
For students aged 9 - 12 in Primary 3 - 6. There are over 2000 challenging Science quizzes and structured questions to practise on. Topics include Matter, Living and non-living things, Plants, Animals, Reproduction, Energy, Forces, Machines, etc
Primary, School, learn, education, test, papers, questions, exam, quiz, grades,

 2)   Space Explorer 1.0
Space Explorer 1.0 is an astronomically and physically realistic interactive 3D application for simulating and exploring solar systems just like a real astronaut.
space flight simulation, stars, planets, solar system, simulation, simulation game, 3D-Graphics, astronomy, astronaut, kosmonaut,

 3)   Click Clock 2.0.0
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
weather, clock, calendar, radar, satellite, temperature, astronomy, map, moon, phase,

 4)   Planet's Orbits 1.7.0
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).
orrery, planets, asteroids, planetary positions, solar system, astronomy, satellites, ephemeris,

 5)   EarthWatch 4.01
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.
earthwatch, world clock, chronograph, chronometer, astronomy, earth, world, map, sundial, time,

 6)   LcStars 3.2
Astronomical planetarium with 28,695 objects. Observe the sky from any Earth place, between the 4713 AC and 7999 DC years, selecting the objects that you wish. Position tables. You can locate objects, animate the images and other possibilities.
programs, shareware, leisure, entertainment, sun, moon, astronomy, constellations, sky, stars,

 7)   Solar System 3D Simulator 3.0
Solar System 3D Simulator is a FREE software application that generates a realistic solar system model and planets in 3 Dimension on the PC using advanced physics formulas. It can display the planets and their orbits, the sun and the moon.
solar, system, physics, astronomy, science, fair, projects, planet, sun. moon, earth,

 8)   Coeli - Stella 2000 6.0.3.1
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.
Astronomy, Planetarium, Sky Simulator, Orrery, Atlas, Skymap, Starmap, Stars, Planets, Comets,

 9)   Adastra FREESTAR 4.02
Experience accessible astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live tracking.
astronomy, astro, astronomical, planetarium, sky, skymap, star map, celestial atlas, coeli, stella,

 10)   MaterialWorlds Simulations 1.5
Live interactive physics simulations let you explore the Solar System (orbits, seasons, gravity, tides, comets and satellites), play snooker and experiment with Laws of Motion, bridge,crash,ideal gas,pendulum clock and siege engine simulations.
virtual reality, science, physics, experiments, simulation, games, solar system, geocentric, astronomy, earth,

 11)   Lunar Calendars and Eclipse Finder 6.09
A program to search for eclipses (lunar, solar, total, annular and umbral), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in various lunar calendars.
Moon, lunar, phase, eclipse, Sun, solar, annular, date, calendar, calculator,

 12)   Alcyone Ephemeris 1.0.1
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.
ephemeris, ephemerides, astronomy, planetary positions, lunar positions, celestial mechamics,

 13)   365 Hubble Telescope Screen Saver 2.1
This screensaver includes over forty INCREDIBLY DETAILED IMAGES of spinning galaxies, colorful nebulae, supernova remnants, solar system planets, and other amazing celestial bodies. Take your mind to the heavens every time your computer is idle!
screensavers, screensaver, screen savers, screen saver, hubble, space, telescope, nasa, astronomy, galaxy,

 14)   Grand Tour 3D 1.21
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.
solar-system, space, screensaver, OpenGL, simulator, astronomy, mars, planets,

 15)   World Almanac 4.3.0
The World Almanac displays solar and lunar data for every 30 minutes throughout the day in addition to the times of rise, set, twilight, the lunar phase and the horizon. Includes database of towns for Australasia, Canada. UK and USA.
photography, astronomy, sunrise, sunset, moonrise, moonset, phase, solar, lunar,

 16)   Astronomy Stuff 1.2.0
Watch Nasa TV including live space shuttle launches and space walks plus all the Sky at Night programs from December 2001 over the internet plus view live solar images and get ISS and satellite pass predictions for your location.
nasa, online tv, astronomy, luna, moon, space, solar, sun, Planets, Stars,

 17)   Planetarium 1.33
See 2500 stars, all 88 constellations, planets and the moonphase from 4713 BC to 9999 AD from any location on earth. Print todays night sky ! Nice visuals, smooth animation, simple controls, good planet data too.
Planetarium, Astronomy, Software, Moon, Planets,

 18)   Cosmic Scenes 2.2
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.
wallpaper, desktop, space, stars, nebula, cosmos, 3D, universe, astronomy, nebulae,

 19)   Gravitorium Pro 1.0.15
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!
gravity, astronomy, newton, planets, solar system,

 20)   AstroGrav (Windows) 1.2.2
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.
AstroGrav, interactive, educational, software, program, Mac, Windows, helps, teachers, students,