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Welcome to the Motherlode!
The Celestia Motherlode is a repository for various addons like textures, models or celestial objects for Celestia. Celestia is a free, interactive (real-time), 3D astronomy program. It doesn't just show you the sky as it can be seen from earth as most planetarium software does, but allows you to move to and view the universe from any point between the planets and the stars. The Celestia Motherlode hosts over 10 GB of Celestia addons by various creators, which extend or change the way Celestia renders the universe.

Please note that for historical reasons the procedure to install addons varies. If available check the readme for the addon, the add-on installation guide or the documentation section of this site.

If you want to leave a comment about the add-on or rate the add-on's quality, just click on the magnifying glass in the info column of each add-on. For more information about using the catalog see the help page.

Browse Our Listings
This is a list of the available addon-categories
Solar System Solar System
Solar System | Sun | Mercury | Venus | Earth | Moon | Mars | Jupiter | Saturn | Uranus | Neptune | Kuiper Belt | Asteroids | Comets
 
Spacecraft Spacecraft
Earth-orbit | Other
 
Extrasolar (Deep Space) Objects Extrasolar
Galaxies | Messier Nebulae | Other Nebulae | Data Plots | Stars
 
Fictional Fictional
2001: A Space Odyssey | ArcBuilder Universe | Babylon 5 | Star Trek | Star Wars | Craft & Stations | Planets & Systems
 
Resources Resources
Documentation | Scripts | Educational | Utilities | Creator Links
 

 
All materials available for download from this site are the property of their creators, who maintain full legal rights to their work. See our Legal page for details.
 
 
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Worthwhile Add-on!
Red Giant Earth (and Sun)
Screenshot This add-on by Frank Gregorio depicts what Earth, Mars, Jupiter and Pluto may look like when our Sun becomes a Red Giant star about 5 billion years into the future.
More information here
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New / Updated Pages
There is now a dynamically updated list of new addons. If possible it will show you all addons which have been added since your last visit, otherwise the 20 newest.
List of new Addons
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Get Your Add-on Listed
Add-on Creators:
The Celestia Motherlode provides free server space for your add-on files! Use the Upload Form to send us your add-ons after you did read the rules carefully.
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Please note!
The add-ons in our catalogs were designed with different versions of Celestia (1.3.1 to 1.6.1).
The add-ons may or may not work (with or without manually modifications by the user) with older or newer versions of Celestia. If you need support ask the Celestia forums.
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ibiblio.org home page Page last updated: December 7, 2019