The latest research results of "Skywen No. 1" reveal the superficial structure of Mars

Recently, the scientific data obtained by Chinese scientists using the "Skywen No. 1" Mars detection task revealed the current fine structure and physical characteristics of Mars, and provided an important basis for in -depth understanding of Mars geological evolution and environment and climate change. Related research results were published in the international academic journal "Nature" magazine on the evening of September 26, Beijing time.

On May 15, 2021, the "Zhu Rong" Mars car carried by the first Martian detection mission Tianwen No. 1 in my country successfully landed in the landing area in the south of the Utopia Plain to start inspection and detection. The Utopia Plain is the largest impact basin of Mars. It may have been an ancient ocean, indicating that there may be a livable environment in the early days of Mars. The detailed Mars underground structure and physical information are the key basis for studying the evolution of Mars geology and its livable environment, and it is an important part of Mars detection.

The "Zhu Rong" Martian car detection area is the southern part of the Utopia Plain. The radar frequency band is wide, and its actual maximum detection depth is 80 meters.

In the latest research, scientific researchers conducted an in -depth analysis of the "Zhu Rong" Mars cars with a detection length of 1171 meters in the first 113 Mars Day and the detection length of 1171 meters. With strata physical information, there are two sets of thinning layers under the fire layer with a thick fire of the area, which may reflect about 3.5 billion-32 billion years since multiple times. Essence

In addition, one of the main targets of the "Zhu Rong" Martian vehicle sub -surface detection radar is to detect whether the southern part of the Utopia Plain has groundwater/ice today. The results of low-frequency lightning reaching the results show that the intensity of the reflex signal in the depth of 0-80 meters is stable, and the medium has a lower dielectric constant, eliminating the possibility of the water rich layer under the inspection path. The results of thermal simulation also further showed that liquid water, sulfate, or carbonate brine is difficult to stabilize within 100 meters under the ground underground of the "Zhu Rong" Mars, but the possibility of salt ice cannot be ruled out.

The article published in "Nature" is the original results obtained by Chinese scientists using the first Mars detection task scientific data in my country. Observation evidence of long -term water activity has provided an important basis for deep understanding of Mars geological evolution, environment and climate change.

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