按日期筛选项目: 8月 2019

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按日期筛选项目: 8月 2019

Logo for the Department of Astronomy

Department of Astronomy (DoA) of Tsinghua University is announcing its logo today. The logo is designed to be an abstract from a common phenomenon in the Universe — a spiral disk and associated jets, which can be found in many astronomical  systems including proto-stellar systems, accreting black holes, gamma-ray bursts, and galaxies, ranging across a huge scale in mass, size, and energy. The "spiral disk" in the logo implies the accretion of knowledge and convergence of talents, while the "jet" represents the extension of research, discoveries to the unknowns, as well as feedback to the community and society.

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2019 DoA and THCA Welcome Party

The Department of Astronomy, Tsinghua University held "2019 DoA and THCA Welcome Party" on 22 Aug 2019. New coming graduate students and postdocs, senior student representatives as well as the THCA faculty members participated.

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New insight into Jupiter’s diluted core

Jupiter was smacked head-on by a massive planetary embryo about 4.5 billion years ago in the early solar system, according to a new study published in the journal Nature on August 15, 2019. An international collaboration team including two astronomers from Tsinghua University, Dr. Xiaochen Zheng from Department of Astronomy and Department of Physics and Prof. Doug Lin from Institute for Advanced Study, demonstrate their giant impact scenario can explain Jupiter’s large diluted core inferred from Jupiter’s gravity field measurement by the Juno mission. The study was led by Dr. Shangfei Liu from Sun Yat-Sen University. The paper can be found at https://www.nature.com/articles/s41586-019-1470-2

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