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Celestia, free download. Celestia 1.6.1: Real-time space exploration on your computer. Unless you are a millionaire or an astronaut, space travel is probably out of reach. Bring it a little

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

The Celestia Motherlode is a site based on Celestia, a free, 3-D, real-time space simulator. It is a place for the Celestia community to catalog, publish and maintain Celestia resources.

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Aviation for Kids is an example how can you motivate children in learning science and have fun in the same time.

Art - community of artists and those devoted to art. Digital art, skin art, themes, wallpaper art, traditional art, photography, poetry / prose. Art prints.

Frank Gregorio

Florida Department of Education. Florida Standards and Course Descriptions homepage.

The Global Change Master Directory is a comprehensive directory of information about Earth science data, including the oceans, atmosphere, hydrosphere, solid earth, biosphere and human dimensions of global change. FGDC Clearinghouse Node (NASA).