Black hole shock: Doomed supermassive black hole trio spotted in ‘near-endless waltz’ THREE supermassive black holes have been spotted locked in orbit in a “near endless” waltz – and astronomers admit they have no idea what will happen. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:NASA ISS rocket launch LIVE: Watch astronauts blast off to the International Space StationNASA news LIVE STREAM: How to watch the Mars announcement in just 24 hoursAlaska earthquake eruption WARNING: Scientists find pre-quake activity in central AlaskaNASA LIVE: How to watch the Mars announcement on ThursdayVolcano eruption TIMELINE: From Kilauea to Fuego - DEADLIEST blasts of last 30 yearsNASA news: Mars discovery could reveal LIFE ON MARS in Curiosity announcement