您当前的位置:首页 > 新闻动态 > 学术交流

学术交流

“丝路天文”讲坛第七十讲:Complex Organics in Space: a changing view of the cosmos

作者: 发布时间:2024-12-10 【字体:       

时 间:2024年10月21日 15:30(星期一)

会议地点:台本部南楼210会议室

主 讲 嘉 宾:Sun Kwok 教授(加拿大不列颠哥伦比亚大学)

报 告 摘 要: 

Planetary explorations have revealed that complex organics are widely present in the Solar System. Infrared spectroscopic observations have discovered that complex organics are synthesized in large quantities in planetary nebulae and distributed throughout the Galaxy. Signatures of organics are found in distant galaxies, as early as 1.5 billion years after the Big Bang. A number of unsolved spectral phenomena such as diffuse interstellar bands, extended red emissions, 220 nm feature, and unidentified infrared emission bands are likely to originate from organics. In this talk, we will discuss what are the possible chemical structures of the carriers of these phenomena, and how these organics are synthesized abiotically in the Universe.

主讲嘉宾简介: 

Sun Kwok graduated from McMaster University (B.Sc. 1970) and U. of Minnesota (Ph.D. 1974).  He served as assistant professor to professor at the University of Calgary in Canada for 20 years before moving to Taiwan as Director and Distinguished Research Fellow of Institute of Astronomy and Astrophysics of Academia Sinica.  In 2006, he was appointed as the first executive Dean of Science at the University of Hong Kong.  After a finishing a ten-year term, he took up the position of chair professor of space science and director of Laboratory for Space Research in HKU, until he joined UBC in 2018.

Sun Kwok’s research is in stellar evolution, astrochemistry and astrobiology.  He served as the President of the International Astronomical Union Commission on Interstellar Mater between 2012 and 2015, and Commission on Astrobiology between 2015 and 2018.  He is the author of several books, including The Origin and Evolution of Planetary Nebulae (Cambridge 2000), Cosmic Butterflies (Cambridge 2001), Physics and Chemistry of the Interstellar Medium (USB 2017), Organic Matter in the Universe, (Wiley, 2011), Stardust: the cosmic seeds of life (Springer 2013), and Our Place in the Universe I and II (Springer 2017 and 2021).


附件: