Uncategorized Human Space 2300- Populated planets 20ly from Earth January 6, 2010 Johnnyshoots Leave a comment A map of the central sphere of human space out to about 20iy from Earth- More work to follow detailing the separate systems and political affiliations to follow. A work in progress. Share this:TwitterFacebookPinterestTumblrRedditLinkedInEmailPocketLike this:Like Loading...