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Sun Kwok (Chinese:郭新) is a Hong Kong astronomer specialized in the study of planetary nebula. In 1978, he proposed that the exposure of the core and the subsequent initiation of another fast wind, lead to a "snow-plow" effect that creates a planetary nebula. This interacting-winds theory has become the standard model of planetary nebulae formation, and has led to a new understanding of the dynamical evolution of planetary nebulae as well as the origin of their different morphologies. He is currently the Dean of Science of University of Hong Kong. ==Background== Born in Hong Kong, Sun Kwok was graduated from Pui Ching Middle School, the mother school of Daniel Chee Tsui, Nobel Prize Winner in Physics and Shing-Tung Yau, Fields Medal Winner. * Chair Professor of Physics and Dean of Science, University of Hong Kong (2006-) * Faculty Professor, University of Calgary (2005-2011) * Distinguished Research Fellow and Director, Institute of Astronomy & Astrophysics, Academia Sinica, Taiwan (2003–2005) * Professor, University of Calgary (1983–2005) * President, International Astronomical Union (IAU) Commission 34: Interstellar Matter (2012-) * Vice President, IAU Commission 51: Bioastronomy (2012-) * Chairman, IAU Working Group on Planetary Nebulae (Division VI) (1994–2001) * Principal Investigator (Astronomy), Canadian participation in the Odin mission 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sun Kwok」の詳細全文を読む スポンサード リンク
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