April 3, 2014
Planet’s Watery Story Emerges From Martian Rocks
After 18 months on Mars, the rover Curiosity has taken more than 120,000 measurements of surface rocks and soil, painting a more detailed image of how much water was once on the Red Planet. An article in Chemical & Engineering News (C&EN) describes the technique scientists are using to analyze the rocks and what they've found.
Scientists have found that the weight of the dust they've sampled is 2 to 4 percent water. And for the first time, they have confirmed that the common element fluorine exists on Mars. With about 3 miles more to go before it reaches Mount Sharp, Curiosity is sure to keep adding new details to the emerging picture of our planetary neighbor.