NASA's Perseverance rover has found an intriguing menagerie of organic molecules in a Martian crater, but their source remains unclear.
NASA's Perseverance rover has found a diverse menagerie of organic molecules in a Martian crater, a new study reports.
However,"importantly, they can be created by processes not related to life," Sharma emphasized. As such, investigating what organic molecules exist on the Red Planet and how they were created is key to understanding what may or may not be linked to life on Mars. In the new study, Sharma and her colleagues analyzed data from Perseverance. In February 2021, the rover landed within Jezero Crater, the site of an ancient lake basin that prior work suggested displayed high potential for past habitability. The crater floor also possesses clays and other minerals that may preserve organic materials.
Sharma and her colleagues found signs of organic molecules in all 10 targets that Perseverance drilled into at Máaz and Séítah, covering a span of time from at least about 2.3 billion to 2.6 billion years ago. These"point to the possibility that building blocks of life could have been present for a long time on the surface of Mars, in more than one place," Sharma said.
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