Tag: liquid water

A hypothetical illustration of Mars 3.6 billion years ago.(Photo/Aerospace Information Research Institute)

China’s Mars Rover Data Suggests Existence of Ancient Oceans on Mars! (3.3.2025)

If an ocean once existed in this region, climate changes could have trapped large amounts of water in the form of subsurface ice, which holds great potential for future Mars base water resources, significantly reducing the cost of construction and maintenance.

Fang emphasized that the ancient oceanic sediments preserve records of Mars’ climatic history. Studying these sediments could help people understand how the planet transitioned from a warm, wet world to a cold, arid one. This knowledge could guide efforts to terraform Mars into a long-term sustainable human habitation, according to Fang.

Fang mentioned that Zhurong landed in the southern part of Utopia Planitia in mid-May 2021. It is equipped with a subsurface penetrating radar to explore underground structures and potential water ice deposits.

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China Focus: Mars Rover Zhurong Finds Evidence of Water at Red Planet’s Low Latitudes! (1.5.2023)

In the study, researchers estimated the dunes Zhurong found were formed about 400,000 to 1.4 million years ago. The exchange of water vapor between the higher and lower latitudes during this period led to repeated humid environments at low Martian latitudes, followed by the frequent occurrence of salty water when temperatures dropped in the region.

Qin said the discovery provides key proof of liquid water at Martian low latitudes, where surface temperatures are relatively warm and more suitable for life than high latitudes.

It also provides information for the design of future exploration strategies for Mars rovers. As saline water once existed at various latitudes on the surface of Mars, priority should be given to salt-tolerant microbes in future missions searching for extant life on Mars, researchers said in the study.

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