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Stellarium is planetarium software that shows exactly what you see when you look up at the stars. It

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Information about each planet and moon in our solar system with many pictures, discussion of the history of its discovery, exploration, and physical characteristics. In addition to the planets, there are also pages about the Sun, many moons, and aste...

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

CyberSky is an accurate, yet easy-to-use planetarium program that provides an excellent way to learn about astronomy and explore the sky visible in the distant past, the present, and the far-off future.

Quality sky maps (star charts) for skywatchers, educators and publishers. The Evening Sky Map (PDF) free each month. Find constellations, planets, comets.

Only freeware - for Win 95/98/ME/XP/Vista/Win 7. No shareware. Large selection organized by category.

You should look here for award-winning, NSTA recommended, interactive Astronomy and Space Science Curriculum. Designed to inspire educators AND students.

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Deepsky Astronomy Software. Star charts, observing log, planning, database, telescope control, imaging, spreadsheet and incredible DVD space images. Control your meade telescope with Deepsky!