Astronomical software directory

Category: Start / Didactic Tools / Digital Orreries
Programs simulating celestial object motions.

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Adastra Freestar  Popular
Adastra Freestar makes exploration of the sky in real time easy with comprehensive reports, arcsecond accuracy, animation, and live tracking, giving you views of your night sky from any location on any date.
Addedd on: 26-Sep-2003
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Celestia is a free real-time space simulation that lets you experience our universe in three dimensions. Unlike most planetarium software, Celestia doesn't confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy.
Addedd on: 16-Sep-2003
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A free sky display program with 3000 stars, 9 planets, Messier and NGC objects and lots of display options.
Addedd on: 02-Sep-2003
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Planetís Visibility 
Planetís Visibility presents a 3-color graph that shows when a planet, the moon or the sun is visible during any year from 3000 BC to AD 6000 at any location on the earth. The times of sunrise and sunset can be shown on all the diagrams.
Addedd on: 26-Sep-2003
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Xearth sets the X root window to an image of the Earth, as seen from your favorite vantage point in space, correctly shaded for the current position of the Sun. Xearth can also be configured to either create and render into its own top-level X window or render directly into PPM or GIF files.
Addedd on: 26-Sep-2003
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Xplns reproduces real starry sky on your display of X Window System. It calculates the position of many celestial objects (stars, galaxies, nebulae, constellations, planets, comets, etc.) very accurately. You can enjoy the past and future sky on the desk top as if you have traveled all around the world. In solar system projection mode, you can examine motion of solar objects.
Addedd on: 21-Sep-2004
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