Celestia Forums

Here are a few speculations I have made based off of my limited knowledge of those systems. They are based off of current finds etc., etc. To really predict what worlds are around what star, we need to have a better understanding of the planet formation process, then with what we can detect, say a g...

I'm looking to create my own worlds and systems for celestia using my own extra solar speculations as well as new findings, such as Tau Ceti's Oort cloud, etc. etc. One, how do I go about this? Do I edit text or do I have to get a degree in astrophysics to plot the orbits? I assume I'll need a good ...