Lunar and Planetary Sciences
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Lunar and Planetary Sciences
The State Key Laboratory of Lunar and Planetary Science (hereafter referred to as SKLplanets) (Macau University of Science and Technology) was approved by the Ministry of Science and Technology of China and established on October 8th, 2018.It is the first state key laboratory in the field of astronomy and planetary sciences. The SKLplanets research subjects mainly involve planetary physics, planetary geology, planetary chemistry, and planetary biology. The research directions contain planetary internal structures, planetary internal dynamics, planetary surface physics, planetary topography, magnetic field and gravity field physics of planets, planetary meteorite chemistry, planetary formation and evolution, as well as planetary habitability. Focusing on the moon, Mars, near-Earth small bodies and gas giant planets, the main research content is using numerical simulation, data analysis, high-resolution observation, experimental research and other means to investigate the internal structure and gravity field of planets, the dynamics of internal fluid or magnetic fluid in planets, impact craters, planetary topography, physical characteristics of planetary surface, atmospheric dynamics, interplanetary space plasma, sampling/meteorite analysis.
There are around 100 researchers and postgraduate students in SKLplanets, with 40 researchers including fellows of the US National Academy of Sciences, foreign associates of the US National Academy of Engineering, fellows of the Royal Society, fellows of the Chinese Academy of Sciences, fellows of International Academy of Astronautics, Academia Sinica Members, Chair Professors, Professors, Distinguished Guest Professors, Associate Professors, and Assistant Professors. This research team possesses reasonable structure of discipline and echelon, as well as strong research strength, which can be seen as a core team in scientific application researches of deep space exploration.
The SKLplanets has established master's and doctoral degrees in both "Space Information Technology" and "Earth and Planetary Sciences"; a new master's degree in "Space Big Data Analysis" is being under preparation.
Currently, there are five centers in the SKLplanets, namely, Center for Sample Analysis, Center for Small Planetary Bodies, Center for Planetary Environment Simulation and Internal Dynamics, Supercomputing Center and Science Communication Center. The SKLplanets joins hands with the leading institutes in Guangdong and Hong Kong to establish the Center for Earth and Planetary Sciences in the Greater Bay Area. The SKLplanets has also cooperated with relevant institutes at home and abroad to jointly research the Macau Science Satellite, as a gift for the 20th anniversary of the return of Macao. This satellite will become the world's first near-equatorial electromagnetic satellite to monitor the temporal and spatial changes of geomagnetic fields in the South Atlantic Anomaly. The research findings will provide new understanding for the origin of geomagnetic fields and new information on the spacecraft space operation safety.
Along with China’s strategy for deep space exploration, the SKLplanets has been performing various researches and achieved critical results. For example, a significant breakthrough in research of the accretion history of the Moon was achieved recently, offering new perspectives to research on the impact history of the solar system and the discriminated early accretion of the Earth and the Moon. This work, titled “Reconstructing the late accretion history of the Moon”, was published in the world’s leading academic journal Nature. The shallow structure of the Chang’E 3 landing area was analyzed for the first time and the unique geological features were found in the patrol area. This work was published in the world’s leading academic journal Science, which was the first Science paper for Chang’E Missions. The logically consistent, physically correct and mathematically rigorous circulation model and inversion method were developed for Jupiter, and two possible structures of Jupiter’s circulation patterns were proposed based on the Juno gravity field data. The new type of volcanic geomorphology, the negative topographic circumferential dome, was recognized for the first time in the world. The work was selected as one of the Highlight papers by the American Geophysical Union (AGU) and was reported in detail in one of its journals. Also, the effect of solar winds on the wake magnetic fields close to the lunar surface was first discovered, which was selected as one of the Highlights in the current issue. Relevant findings have been published in the renowned journals including Nature, Science, PNAS, Annual Review of Earth and Planetary Sciences, Geophysical Research Letters, Earth and Planetary Science Letters, Scientific Reports. In 2012, the project titled "Analysis and Research of Data on Chang 'E Moon Landing Mission" won the third prize of the science and technology award in Macao. In June 2016, the other project named “Scientific Discovery of Data on Chang 'E Multi-Band Moon Landing Mission" won the first prize of the science and technology award in Macao.
Lunar impact structure and impact simulations for the Moon’s impact history
https://doi.org/10.1038/s41586-019-1359-0
Reconstructing the late-accretion history of the Moon
Associate Prof. Zhu Menghua from the State Key Laboratory in Lunar and Planetary Sciences, Macau University of Science and Technology, accomplished a significant breakthrough in research of the accretion history of the Moon. His paper, titled “Reconstructing the late accretion history of the Moon”, was published in the world’s leading academic journal Nature. The relevant research findings provide new scientific support for scientific data analysis of Chang’e 4 and the subsequent probing missions to the Moon and Mars. The research project was given great support by the Macao Science and Technology Development Fund.
The article was published in Nature
As the 1st and corresponding author of the paper, Associate Prof. Zhu Menghua was trained at M.U.S.T., who stayed on after graduation to pursue research and teaching at the University in the field of space science. Other partner institutions involved in the project include Planetary Science Institute, USA, Observatory at Nice, France, University of California at Davis, the Natural History Museum in Berlin, Germany, and Free University Berlin, Germany.
Associate Prof. Zhu Menghua from the State Key Laboratory of Lunar and Planetary Sciences, M.U.S.T.
For several decades, scientists have been puzzled by the substantial mismatch in the highly siderophile elements (HSEs) budgets of the Earth and the Moon. Taking advantage of the supercomputing platform available at M.U.S.T., Associate Prof. Zhu Menghua performed a series of impact simulations to quantify the impactor-retention ratio of the Moon’s impact history, investigate the process of different celestial bodies impacting on the Earth and the Moon in different angles, and recreate the impact history of the solar system. The research findings provide new understanding for the late accretion history of the Earth and the Moon, bear indirectly on the giant impact hypothesis on lunar formation, provide support for the magma ocean theory in relation to the Moon and the Earth, and offer new perspectives to research on the impact history of the solar system and the discriminated early accretion of the Earth and the Moon. The research discoveries have also provided new scientific support for the scientific data analysis of Chang’e 4 and the subsequent probing missions to the Moon and Mars.
In his “News and Views” article titled “Low retention of impact material by the Moon” in the same issue of Nature as Associate Prof. Zhu’s research article, Planetary Chemist James Day from University of California, San Diego, ascribes high importance to Associate Prof. Zhu Menghua’s research findings, deeming that the work will undoubtedly improve human understanding of the accretion processes of planetary bodies such as Mars.
With the support from the Macao S.A.R., M.U.S.T. has been involved in the national deep space exploration missions proactively since the Space Science Institute establishment in 2005. By July of 2018, the Ministry of Science and Technology approved M.U.S.T. to establish the State Key Laboratory in Lunar and Planetary Sciences, the first state key laboratory of China in the field of space sciences to advance the development of planetary sciences in China and train high-quality planetary sciences talents.
The State Key Laboratory of Lunar and Planetary Sciences of M.U.S.T. has been deeply engaged in national deep space exploration missions since its inception. As the sole institute in China dedicated specially to lunar and planetary sciences research, the research faculty of the laboratory have participated broadly in data analysis and research work in relation to the Chang’e lunar-probing missions. In collaboration with the Purple Mountain Observatory of Chinese Academy of Sciences, the laboratory developed the gamma ray spectrometers for Chang’e 1 and 2 and conducted the relevant data analysis work. By joining hands with Mainland Chinese scientists, researchers at the laboratory analyzed the effective scientific data of Chang’e 3 and achieved abundant scientific achievements. When the Chang’e 4 probe achieved soft landing on the far side of the Moon on January 3, the laboratory had researchers recruited as members of the core scientists’ team of Chang’e 4, taking part in the data analysis and research of the Chang’e 4 mission.
In the meantime, researchers at the State Key Laboratory of Lunar and Planetary Sciences of M.U.S.T. are making preparations for the lunar sampling analysis of Chang’e 5, and endeavoring actively to participate in the subsequent deep space exploration programs of China, in the hope of moving forward exploration missions to Mars, minor planets and mega-planets, and therefore contributing to development of the lunar and planetary sciences cause of China.
The State Key Laboratory of Lunar and Planetary Sciences of M.U.S.T. is equipped with a supercomputing center