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Celestia splash.png

Celestia provides photo-realistic, real-time, three-dimensional viewing of the Solar System, the galaxy and the universe. It is an easy to use, freely-distributed, multi-platform, open source, software package which has become a valuable tool for astronomy education. Used in homes, schools, museums and planetariums around the world, it also is used as a visualization tool by space mission designers. Versions are available for computers running Windows, Macintosh (Mac OS X) and Linux operating systems.

Although it is optimized for 3D astronomical visualization, Celestia can be used to display and explore other 3D environments, too.

And, for some reason, many people seem to find exploring with Celestia to be a lot of fun.

About this guide[edit]

This Guide to Celestia is intended to be a comprehensive source of information for students, educators, and other users of Celestia. It includes instructions for obtaining, installing, using, customizing, and troubleshooting the Celestia software, as well as explanations of concepts and techniques from astronomy and computer graphics as needed to fully explore and understand Celestia and its universe. It is intended to address the needs of novice, casual, and advanced users.

The Guide to Celestia is very far from complete. You can help by adding useful content. Members of the Celestia community are encouraged to be bold in editing this WikiBook to provide the additions and corrections needed to make it useful for themselves and others. Please share your knowledge here.

Icons indicate approximate development status.
Of course, all pages are subject to improvement at any time.

Wikibook Development Stages
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Using Celestia[edit]

How to use Celestia is described in detail in Frank Gregorio's Celestia 1.6.0 User's Guide.

Getting Celestia to Run[edit]

Exploring Celestia's Universe[edit]

Understanding Celestia[edit]

Enhancing Celestia[edit]

The following reference pages will help you to add features and make Celestia easier to use in your environment.


Customizing Celestia[edit]

  • Specifying the Correct Time: TDB is not UTC




External links[edit]

Related Wikibooks[edit]

Celestia Web Sites[edit]

Celestia Add-ons[edit]

Articles about Celestia[edit]