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SUMMARY:Recent progress in imaging the subsurface structure of Mars by Zhu
 rong rover radar - Ling Chen -- Chinese Academy of Sciences
DTSTART:20230524T150000Z
DTEND:20230524T160000Z
UID:TALK201052@talks.cam.ac.uk
CONTACT:Megan Holdt
DESCRIPTION:Detailed information of Martian subsurface structure and prope
 rties is crucial for studying the geological evolution and environmental c
 hanges of Mars\, and constitutes one of the essential components of Mars e
 xploration. By analyzing the low-frequency radar data collected by the Zhu
 rong rover of China’s Tianwen-1 mission\, a detailed Martian subsurface 
 image has been constructed along the ~1\,171 m traverse of the rover in so
 uthern Utopia Planitia. The image shows an approximately 70-m-thick\, mult
 i-layered structure below a less than 10-m-thick regolith\, reflecting the
  occurrence of episodic water-involved resurfacing on Mars during the Late
  Hesperian to Amazonian. Though no direct evidence for the existence of li
 quid water was found\, based on the new radar data\, the presence of salin
 e ice cannot be ruled out in the subsurface of the landing area.
LOCATION:Wolfson Lecture Theatre
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