NASA’s Mars Perseverance rover has uncovered evidence of ancient lava flows on Mars, shedding light on its transition from a watery past to a harsher present. Geologist Mariek Schmidt explained that the study involves analyzing samples to understand how long Mars once supported liquid water and what this means for future missions. The findings could also challenge broader goals like Mars colonization discussed by U.S. President Donald Trump.
The rover’s X-ray fluorescence analysis revealed iron-rich magma, indicating a complex geologic history on Mars. This discovery challenges the planet’s lack of plate tectonics and underscores its dynamic nature despite no longer having significant water. The study highlights how such findings could set limits on when Mars’ ancient lakebed formed, creating an environment conducive to past life.
Schmidt emphasized that these findings go beyond recent discussions of human missions and Mars colonization, focusing instead on fundamental scientific questions about the planet’s history and origins. This research not only contributes to our understanding of Mars but also inspires future international cooperation in space exploration.
Source: https://www.theglobeandmail.com/canada/science/article-rocks-shed-light-on-marss-transition-from-a-water-rich-world