http://www.metafilter.com/tags/Genzel Posts tagged with 'Genzel' at MetaFilter. Sat, 13 Dec 2008 00:02:07 -0800 Sat, 13 Dec 2008 00:02:07 -0800 en-us http://blogs.law.harvard.edu/tech/rss 60 http://www.metafilter.com/77392/Sagittarius%2DA A sixteen year long astronomical study, led by Dr. Reinhard Genzel of the Max-Planck-Institute for Extraterrestrial Physics, has provided what is considered to be the best empirical evidence yet of the existence of <a href="http://chandra.harvard.edu/press/07_releases/press_031207.html ">supermassive black holes</a>, specifically one a relatively cozy 27,000 light years away.... "The <a href="http://www.eso.org/public/outreach/press-rel/pr-2008/video/vid-46g-08_P_QTP.mov">stellar orbits</a> <small>[QT]</small> in the <a href="http://www.eso.org/public/outreach/press-rel/pr-2008/video/vid-46i-08_P_QTP.mov">Galactic Centre</a> <small>[QT]</small> show that the central mass concentration of four million solar masses must be a black hole, <a href="http://news.bbc.co.uk/2/hi/science/nature/7774287.stm">beyond </a> any reasonable <a href="http://www.eso.org/public/outreach/press-rel/pr-2008/pr-46-08.html">doubt</a>." A <a href="http://www.eso.org/public/videos/esocast/ESOCAST2/ESOCAST2_P_MPEG1.mpg">video </a>describing the study; more photos and video <a href="http://www.eso.org/public/outreach/press-rel/pr-2008/phot-46-08.html">here</a>. tag:metafilter.com,2008:site.77392 Sat, 13 Dec 2008 00:02:07 -0800 astronomy blackhole galaxy Genzel MilkyWay SagittariusA Kronos_to_Earth