Free Astronomy Software

Planetarium by Asynx Software Inc.

See 2500 stars, all 88 constellations, planets and the moonphase from 1600 AD to 9999 AD from any location on earth. Click star on screen for detailed information. Geocentric and heliocentric views also available. Define your own five locations for quick switch. Print todays night sky ! Tiny program, but great planetarium, especially for teachers and students. Nice visuals, smooth animation, simple controls, good planet data too.

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Grand Tour 3D by First Light SW

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! Watch the moons of Saturn in their daily dance around the majestic ringed world or the Earth rotate under your feet. Rated 4 stars by PC Mag (June 8, 2004)

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Solar System 3D Simulator by Science Fair Projects

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. The nine planets including planet earth and their detailed physical & chemical information and image pictures is also displayed including solar power, solar energy and solar eclipse details.

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Adastra FREESTAR by Coeli Software Products

Experience accessible astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live tracking. Easy mouse-manipulation of the sky brings planets, comets, asteroids, DSOs, and a multitude of stars to your fingertips in real-time. And let TimeLine graphically show the effects of precession down through the millennia...

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eventSherpa by Semaview Inc.

eventSherpa? is exciting new Windows? software that lets you find, organize and share all the events that matter in your life. Create detailed calendars of events and securely share them with your friends and co-workers by publishing them to your own free website. Subscribe to other peoples' shared calendars and automatically receive any changes or updates they make.

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300 Science Quizzes by Free Educational Science Websites

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.

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Khi 3 by SoftWare Informatique Nazairienne de Gestion

Math, financials, stats, combinative, dates, y=f(x), series, units and calendars conversions, geometry, pi, Fourier, Taylor, Gamma, Bessel, Bernoulli, Fisher, prime numbers, fractionations, equations, electricity, chemistry, molar masses, currencies. Divx Bitrate Calculator. Advanced astronomy and simulations 3d, physical and chemical Constants. Games: gravitation, billiards, calculations, tetris, quotations.

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Alcyone Ephemeris by alcyone software

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 in ecliptical, equatorial, and horizontal coordinates, with optional corrections for parallax and refraction; rectangular coordinates, velocity, acceleration, apparent diameter, magnitude, phase, lunar libration and more.

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Vizeon Space WebTop by Vizeon Technologies Ltd

Free active desktop for astronomers & all who enjoy the night sky, with beautiful background images, star chart, games, music and a selection of important portals. Simple to use and simply beautiful to look at. The whole packages sits as your Display background images, with near-zero system overhead.

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