When NASA’s Perseverance rover reached the inner edge of Mars’ Jezero Crater in September 2023, mission scientists were surprised by what they found.
The scientists were especially intrigued by strong signals of carbonate minerals detected by Mars orbiters.
In this case, they preserved a record of water activity on early Mars.
The findings were published Monday in the journal Communications Earth & Environment.
NASA’s Ingenuity Mars Helicopter completed 72 flights since first taking to the skies above the Red Planet.
5 sentences from our version of the report,
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Summarized version
When the science team spots an intriguing rock, they can send commands for SuperCam to fire its laser up to 21 feet away. When water interacts with olivine on Earth, the reaction can release hydrogen and it leaves behind carbonate and silica, two minerals that lock in traces of the past existence of those microbes.
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The article, shortened and in plain language
When NASA’s Perseverance rover reached the inner edge of Mars’ Jezero Crater in September 2023, mission scientists were surprised by what they found. Called the “Margin Unit,” the geologic area stretches along the shoreline of an ancient Martian lake, so they expected sedimentary rocks, which would have formed as layers of sand piled on top of each other over millennia. Composed of clay and silt, sedimentary rocks on Earth are good at preserving past microbial life.
The scientists were especially intrigued by strong signals of carbonate minerals detected by Mars orbiters. On Earth, carbonates often form in shallow ocean and lake environments capable of supporting life.
The rover team found igneous rock, which can form deep underground from magma or from volcanic activity at the surface. In this case, they preserved a record of water activity on early Mars. In fact, these rocks showed signs of having interacted with water on at least three separate occasions, with each encounter further altering their chemistry and appearance.
The findings were published Monday in the journal Communications Earth & Environment.
When the science team spots an intriguing rock, they can send commands for SuperCam to fire its laser up to 21 feet away.
Perseverance explored the Margin Unit across about 870 feet of elevation.
Last came a water event that generated mineral veins at one place in the eastern part of the Margin Unit, about 10 inches thick, creating minerals like calcium sulfate and fluorite.
NASA’s Ingenuity Mars Helicopter completed 72 flights since first taking to the skies above the Red Planet.
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