北京大学 | ENGLISH
讲座信息
The Lifecycle of Galaxies and Supermassive Black Holes
发布时间:2017-03-03      点击量:599
主讲人:Luis C. Ho
讲座地点:生命科学学院邓祐才报告厅
讲座日期:2017-03-17
讲座时间:13:00 — 14:30
联系人:陶乐天
 
生命科学学院2017年度春季学期学术系列讲座之四
题目:The Lifecycle of Galaxies and Supermassive Black Holes
讲座人:Luis C. Ho,Ph.D.
Director,Kavli Institute for Astronomy and Astrophysics
University Chair Professor,Peking University
Distinguished Research Fellow, National Astron. Obs., CAS
时间:2017年3月17日,13:00 - 14:30
地点:生命科学学院邓祐才报告厅
联系人:陶乐天 
摘要:
Supermassive black holes, weighing between millions to billions times the mass of the Sun, are believed to power quasars and other energetic activity in the centers of galaxies.  With the help of advanced telescopes from the ground and in space, operating across the electromagnetic spectrum, astronomers have now discovered that supermassive black holes not only exist, but that they are very common and play a critical role in the formation and evolution of galaxies in the Universe.  A class of intermediate-mass black holes has also been found.  These "seeds" help us understand the formation and growth of supermassive black holes and the origin of quasars in the early Universe.  Mergers of seed black holes will provide an important source of gravitational wave radiation that can be detected with upcoming experiments.  I describe these recent discoveries, which are among the most important developments in modern astrophysics.
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