发布日期：2025-10-27
点击次数：
标题：A puzzle solved: the world is flat
时间：2025-10-28,15:00
主讲人：Simon White (MPA)
地点：Physics Building E100
报告语言：English
I will report the solution to a puzzle of more than 40 years' standing: Why is the lower limit on the mass of the Local Group of galaxies inferred from the Timing Argument of Kahn & Woltjer (1959), larger than the upper limit implied by the almost unperturbed Hubble flow which Sandage (1986) measured for nearby galaxies.
BIO
Prof. Simon D. M. White is the Emeritus Director at the Max-Planck-Institute forAstrophysics, the Foreign Member of the Chinese Academy of Sciences, the Fellow ofthe Royal Society and the Foreign Associate of the US National Academy of SciencesHe is known for his contributions to understanding the structure formation in theUniverse, his role in establishing the standard cosmological model, and his contributionsto the understanding of galaxy formation and evolution. He was awarded manysignificant prizes, including Shaw Prize, Gruber Cosmology Prize, Gold Medal of theRoyal Astronomical Society and etc.
Host: Cheng Li
