Categories Breaking News Scientists Identify 6 Million Year Old Galactic Shockwave Post author By David.DeMar Post date August 31, 2016 No Comments on Scientists Identify 6 Million Year Old Galactic Shockwave The Astrophysical Journal Letters, is available online here ]]> Tags black hole, explosion, milky way, quasar ← Scientists Working Above the Arctic Circle Find 1,000-year-old Persian Cup → New Insight into the Deadly Reach of Sixth Century Plague Leave a Reply Cancel replyYou must be logged in to post a comment.