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NASA's Mars Perseverance Rover Martian Solar Day 1009: Deciphers Ancient History of Martian Lake The panorama is made up of 190 individual Mastcam-Z images stitched together. The images were taken on Sol 1009 (December 22, 2023). Now at 1,000 days on Mars, the mission has traversed an ancient river and lake system, collecting valuable samples along the way. Marking its 1,000th Martian day on the Red Planet, NASA’s Perseverance rover recently completed its exploration of the ancient river delta that holds evidence of a lake that filled Jezero Crater billions of years ago. The six-wheeled scientist has to date collected a total of 23 samples, revealing the geologic history of this region of Mars in the process. One sample called “Lefroy Bay” contains a large quantity of fine-grained silica, a material known to preserve ancient fossils on Earth. Another, “Otis Peak,” holds a significant amount of phosphate, which is often associated with life as we know it. Both of these samples a
