So says a team of researchers from the Arkansas Center for Space and Planetary Sciences. At times, during the Martian year, liquid water is observed on the surface of Mars. New findings from NASA's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars. Adam Bruckner, a professor in UW’s Department of Aeronautics and Astronautics, worked with students to develop a device that could extract tiny amounts of water … The northern latitudes of Mars are much wetter than the southern latitudes—thus, in these regions, the regolith contains much more water than the average water-content of Martian regolith. This is the reason that finding a source of Martian water is so important. But that water, too, is unlikely to be potable from the get-go. Since a gallon of water weighs 3.8 kilograms, the cost of bringing a gallon of water to Mars could be about $171,000. gypsem) containing up to \(20\)% water. "For mining water off Mars, you want to get a high quantity of water," said Edwin Ethridge, a senior ISRU (In-Situ Resource Utilization) scientist and retired NASA consultant. In addition, in a different 2015 study, researchers noted that the shape of some martian pebbles suggests they once rolled … Mars probably has less water in the form of brines – water-salt mixtures that are more resistant to boiling, freezing, and evaporation – than previously thought. If the planet were flat and the ice melted, there would be an ocean many meters deep on the entire planet. Also, some of the regolith is rich in water-contained minerals (i.e. For decades, abundant research has suggested that rivers, lakes and seas once covered Mars billions of years ago. Perchlorates are everywhere on Mars. Some estimates suggest soils contain 0.5 to 1 percent of the stuff, which is definitely toxic to humans. The biggest thinkers in the world discuss how Martian explorers would extract water from Mars. For example, in 2015, maps of water in the martian atmosphere suggested that Mars might once have had enough water to cover up to a fifth of the planet. So if we melted this, we’d still end up with salts and other gunk we don’t want in our drinking water. So if we melted this, we'd still end up with salts and other gunk we don't want in our drinking water. However, if you get squeamish easily, then my advice would be to tread carefully through the next paragraph. Perchlorates are everywhere on Mars. Therefore, ferrying water to and from Earth is financially impractical, so in order to deal with the ‘water woes’ onboard a spaceship (in this case, the ISS), there are some innovative techniques and methods already in place. But that water, too, is unlikely to be potable from the get-go. The evidence that there is water on Mars is overwhelming. Surface streaks on the Red Planet that ebb and flow over time have led scientists to conclude that liquid water is indeed present. 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