Mars water 30% salinity of seawater Environment suitable for life survival Kanazawa University Oct. 25 19:34
A group of researchers such as Kanazawa University announced that it was found that it was an environment suitable for the survival of life when it estimated the components of water that were supposed to exist on Mars in the past, and contained about 30% of the salinity of seawater.
Mars is thought to have had water as a river or a huge lake about 4 billion to 3.5 billion years ago, the United States landed an unmanned spacecraft on Mars and collected data such as geology and climate We are examining water and traces of life.
Research groups such as Associate Professor Keisuke Fukushi from Kanazawa University estimated the components of water at that time based on data surveyed by the spacecraft on the components and structure of rocks that appeared to have accumulated in the lake. .
As a result, the main components dissolved in the water of the Martian lake are all the maximum per liter, 120 millimolar sodium, 60 millimolar magnesium, 4.4 millimolar potassium, and about 30% salinity of seawater. It means that it was found.
In addition, water is neutral, not acidic or alkaline, and it is said that it was an environment suitable for the survival of life from the components of water.
The Martian water has since disappeared, but the reason is not well understood, and the group believes that the lake's water has gradually disappeared over time, and that the water has become thicker in the process.
Associate professor Yusuke Fukushi says, “It is the first time that the composition of Mars' water has been estimated in detail, and I want it to be the basis for investigating the traces of life in the future.”