Celestia Forums

Is it yet known if it is supermassive black holes that are at the very center of a galaxy's nucleus? Could I get some clarification on the subject? If it were not a black hole, what else could be powering a nucleus? What exactly comprises a nucleus anyhow? Thanks for any answers -- this is something...

True. Something of this scale is a tremendous challenge to undertake, especially using what is essentially volunteer work. Anyone who is familiar with large-scale development projects will tell you that the only way to successfully undertake such things is with employment. Besides that, the only "st...

Thanks guys!

I've tried entering in extrasolar planetary names, from all sorts of discovery dates and statistics, and none of them even register. What am I doing wrong? Is there some sort of add-on I need?

This isn't really a suggestion (which is why I did not place this in the suggestion thread) but I am just wondering if there are any plans to create any of the 190 currently discovered extrasolar planets for Celestia.