Original post is here: eklausmeier.goip.de
Brian Koberlein on Google+ on Astronomy (dead link) contains a number of interesting articles on current developments in astronomy and relativity.
Added 31-Aug-2013: Brian Koberlein now has a WordPress powered separate web presence: www.briankoberlein.com.
Added 21-Oct-2013: Brian Koberlein noted that he now has 25,000 followers in Google+.
Added 01-May-2014: Brian Koberlein now has 32.000 followers and 22 million views on Google+.
Added 31-Oct-2023: Brian Koberlein has a Hugo powered blog on Netlify. His setup is described here: Manuel Moreale: People & Blogs: Brian Koberlein.