Twitter Tweet: “5–50 millionTime by which the entire galaxy could… 27/12/2012 Richard “5–50 millionTime by which the entire galaxy could be colonised, even at sublight speeds” buff.ly/IvPmHf Share:Click to share on Mastodon (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window) Related
