Thanks much for your efforts, Raxo. I will play on the Earth part of my map until I have a better understanding of how to build space settlers. Any kind of concise guide would be helpful, but no hurry. I have lots of heavy rockets in what I think is orbit but I can't see how they have the ability to build anything. I will try any hints you give me. Meanwhile I'll be in the process of conquering the Assyrians, Indians and Persians. My map is probably too large for my computer as my game has slowed down a lot. I have enclosed my computer specs and my most recent save.