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Water on Mars: Vast Reservoir Discovered Beneath Valles Marineris

by peter

Water Discovery on Mars: A Vast Reservoir Beneath Valles Marineris

Background

Mars has long captivated scientists and explorers alike, and one of the most intriguing questions surrounding the Red Planet is the presence of water. While water ice has been found at the Martian poles, finding liquid water or water in other forms has been a significant challenge.

A Breakthrough Discovery

A recent discovery by scientists using the ExoMars Trace Gas Orbiter (TGO) has shed new light on the water resources on Mars. Using an instrument called FREND (Fine Resolution Epithermal Neutron Detector), researchers detected a large amount of hydrogen just below the surface of Mars’s Valles Marineris, a vast canyon system.

Valles Marineris: A Martian Grand Canyon

Valles Marineris is one of the largest canyon systems in the solar system, stretching for thousands of kilometers and reaching depths of up to 7 kilometers. It is thought to have formed billions of years ago through tectonic activity and erosion.

Candor Chaos: A Water-Rich Region

Within Valles Marineris lies a region called Candor Chaos, which has now been identified as a vast reservoir of water. FREND detected high levels of hydrogen in the top meter of Martian soil in Candor Chaos, indicating the presence of water molecules.

Implications for Future Exploration

If all the hydrogen detected in Candor Chaos is bound into water molecules, it could constitute a subsurface water region approximately the size of the Netherlands. This discovery has significant implications for future human exploration of Mars, as it suggests that astronauts may be able to access water resources more easily.

Water Characteristics and Distribution

The water in Candor Chaos is not likely to exist as liquid lakes like those found on Earth. Instead, scientists believe it is most likely in the form of ice or water bound to minerals. The exact distribution and characteristics of the water are still being investigated.

Conditions for Water Stability

The Valles Marineris region is located near the Martian equator, where temperatures and pressure conditions are generally not conducive to the formation of ice or liquid water. However, researchers believe that special geologic conditions in Candor Chaos may allow water to be replenished and remain stable.

Future Missions and Exploration

The discovery of water in Candor Chaos has sparked excitement and anticipation for future Martian exploration missions. Scientists plan to conduct further studies to determine the exact nature of the water and how it is maintained in this region. Future missions will focus on exploring lower latitudes on Mars, where similar water-rich areas may exist.

Significance for Understanding Martian History

Understanding the distribution and characteristics of water on present-day Mars is crucial for unraveling the planet’s past. Water is essential for life as we know it, and its presence on Mars suggests that the planet may once have been habitable. The discovery of water in Candor Chaos provides valuable insights into Mars’s water history and potential for future habitability.

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