astronomy freeware tools – planetariums, space simulators …

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Asynx Planetarium 2.60

planetarium program and solar system simulator. It can display the night sky from any location on earth and between the year 1760 and 9999. broken link?Comments 

Celestia 1.3.2

Real-time space simulation that lets you experience our universe in three dimensions. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy. All travel in Celestia is seamless; the exponential zoom feature lets you explore space across a huge range of scales, from galaxy clusters down to spacecraft only a few meters across. broken link?Comments 

Planetarium 2.50

See 2500 stars, all 88 constellations, planets and the moonphase from 1600 AD to 9999 AD from any location on earth. Print todays night sky ! Nice visuals, smooth animation, simple controls, good planet data too. broken link?Comments 

Satscape 2.00

Tool to view position of satellites on the orbit. It can currently track 500 satellites simultaneously, with various graphically-rich Map Views with ground tracks and footprints, Horizon view, tabular list and more. broken link?Comments 

Sky Charts 2.76c

this program enables you to draw sky charts, making use of the data in 16 catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are shown. broken link?Comments 

Solar System 3D Simulator

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 and chemical information and image pictures is also displayed including solar power, solar energy and solar eclipse details. broken link?Comments 

Star Calc 5.73

Fast astronomy planetarium & star mapping program for Windows 95/98/NT. It illustrates star positions of any instance of the day observed from any geographic locations on the Earth. The star positions can be viewed and presented as images of semispherical whole sky or any of the user defined sub-areas. These images can be zoomed at different scales, rotated, screen-captured and printed. broken link?Comments 

Stellarium 0.8.2

free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. broken link?Comments 

WinStars 2.0

Complete planetarium, showing you the appearance of the sky, as seen from anywhere on Earth, for any date. broken link?Comments