Home Planet is a comprehensive astronomy, space, and satellite-tracking package for Microsoft Windows 95 and Windows NT 4.0 and above. Platform: Windows 95 and above Cost: Free Demo: N/A Celestia is highly recommended by Sea and Sky! You can even take screen shots of your favorite scenes.

For those with fast processors, you can even download and install super high resolution images of the planets and moons enabling you to zoom in close and explore every subtle detail. A library of add-ons and expansions is available including everything from additional stars & galaxies to science fiction worlds and spacecraft. The program is highly configurable and expandable. If that's not enough, you can download dozens of easy to install add-ons with more objects.

Celestia comes with a large catalog of stars, planets, moons, asteroids, comets, and spacecraft. With it you can travel throughout the Solar System, to any of over 100,000 stars, or even beyond the galaxy. Platform: Windows, Linux, Mac OS X Cost: Free Demo: N/AĬelestia is a very unique 3-dimensional universe simulator.

Due to its intuitive and easy-to-use graphical user interface, it fits well to the demands of astronomy beginners. Platform: Windows 98 and above Cost: Free Demo: Download availableĪstroViewer is a planetarium software that helps you to find your way in the night sky quickly and easily.

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