![Low Hesperian
<i>P</i>
<sub/>CO2</sub>
constrained from in situ mineralogical analysis at Gale Crater, Mars]()
Low Hesperian
<i>P</i>
<sub/>CO2</sub>
constrained from in situ mineralogical analysis at Gale Crater, MarsBristow, Thomas F.; Haberle, Robert M.; Blake, David F.; Des Marais, David J.; Eigenbrode, Jennifer L.; Fairén, Alberto G.; Grotzinger, John P.; Stack, Kathryn M.; Mischna, Michael A.; Rampe, Elizabeth B.; Siebach, Kirsten L.; Sutter, Brad; Vaniman, David T.; Vasavada, Ashwin R. · Proceedings of the National Academy of Sciences · 2017