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There are literal oceans' worth of liquid water hiding out on Mars. There's just one big problem. That water is actuallyInSight lander, for which huge reservoirs of liquid water are the best explanation. And, although that water is out of reach, it is an important piece of the strange puzzle of the aquatic history of our dry, desiccated, dusty neighbor."A useful starting point is to identify where water is and how much is there.
There are two places the water could have gone: up into space as it evaporated into a gas, or down towards the Martian interior, sequestered either as ice deposits or liquid reservoirs. We have no way of measuring how much water leaked away into the wild black yonder, but we now have the data needed to probe the. It's no longer operational, but between November 2018 and December 2022, it squatted, turtle-like, on the surface of Mars, monitoring the hums and rumbles of activity below.
The researchers used a geophysical model identical to one used to map underground aquifers and oil fields here on Earth, and employed it to analyze data collected by InSight on Mars. They found that the data are best explained if, deep below the surface of Mars, there lies a layer of fractured igneous rock, such as granite, whose cracks are filled with liquid water.
"Establishing that there is a big reservoir of liquid water provides some window into what the climate was like or could be like,"
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