NASA has revealed that water has been flowing on Mars for much longer than previously thought.
A new study claims that the Red Planet may have had rivers around 2 billion years ago.
Nasa said in a recent statement: “Mars was once rippling with rivers and lakes billions of years ago, providing a potential habitat for microbial life.
“As the planet’s atmosphere thins over time, that water evaporates, leaving the frozen dessert world that NASA’s Mars Reconnaissance Orbiter (MRO) studies today.
“It is generally believed that the water on Mars evaporated about 3 billion years ago. But two scientists who studied data that the MRO has accumulated on Mars over the past 15 years found evidence of a significant reduction in the landmark. that time.
“Their study shows signs of liquid water on the Red Planet 2 billion to 2.5 billion years ago, which means that the water flowed there about a billion years longer than previously estimated.”
Nasa’s MRO spacecraft orbits Mars and studies its geology and climate.
Its findings could help us determine whether Mars was once inhabited by aliens.
Recent research focuses on salt deposits thought to be left behind by frozen water as it flows over the planet and then evaporates.
Salt deposits proved to be mineral evidence that water once flowed on Mars.
Some experts suspect water can support microbial life, but no solid evidence of this has been found.
On Earth, where there is water, there is life, and researchers hope the same can be true of other planets.
Researchers first found evidence of salt minerals on Mars 14 years ago.
However, the new study used digital elevation maps to show that the salts were largely clustered in low-lying areas that were once home to ponds and lakes.
Leslie Tamppari, MRO’s deputy science project at JPL, said: “Part of the value of the MRO is that our view of the planet has become more and more detailed over time.
“The more planets we map with our tools, the better we can understand their history.”
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https://www.the-sun.com/tech/4547861/nasa-mars-water-evidence-salt/ Nasa makes incredible discovery of water on Mars that could change everything we know about the planet