Perseverance Lands on Mars : NASA’s Mars 2020 Perseverance mission captured thrilling footage of the rover landing in Mars’ Jezero Crater on Feb.
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But having rock samples from the Red Planet would improve crater-based estimates of how old the surface is – and help them find more pieces of the puzzle that is Mars’ geological history. They’ve taken those lessons to narrow down the age estimates of surfaces on Mars. In the case of the Moon, scientists were able to refine their estimates by analyzing Apollo lunar samples. Older surfaces have had more time to accumulate impact craters of various sizes. Scientists can approximate the age of a planet or moon’s surface by counting its impact craters. If samples of these rocks are returned to Earth, scientists think they could provide an age range for Jezero’s formation and the lake that once resided there. Two more samples will be collected in coming weeks from the “Ch’ał” rock type (named with the Navajo term for “frog”), a set of dark, rubbly rocks representative of what’s seen across much of the crater floor.
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“Each one is carefully considered for its scientific value.” “The samples Perseverance has been collecting will provide a key chronology for the formation of Jezero Crater,” said Thomas Zurbuchen, associate administrator of NASA’s Science Mission Directorate in Washington. Using a drill on the end of its robotic arm and a complex sample collection system in its belly, Perseverance is snagging rock cores from the crater floor – the first step in the Mars Sample Return campaign. Rocks that have recorded and preserved environments that once hosted water are prime locations to search for signs of ancient microscopic life. The rover has nearly wrapped up its first science campaign in Jezero Crater, a location that contained a lake billions of years ago and features some of the oldest rocks Mars scientists have been able to study up close. Perseverance will return to the area next week or so. About 20 inches (50 centimeters) across on average, the boulders in the foreground are among the type of rocks the rover team has named “Ch’ał” (the Navajo term for “frog” and pronounced “chesh”).
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‘Ch’ał’-Type Rocks at ‘Santa Cruz’: Perseverance snapped this view of a hill called “Santa Cruz” on April 29, 2021.
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And it performed the entire drive using AutoNav, the self-driving software that allows Perseverance to find its own path around rocks and other obstacles. 14, 2022, the 351st Martian day, or sol, of the mission. Perseverance also recently broke a record for the most distance driven by a Mars rover in a single day, traveling almost 1,050 feet (320 meters) on Feb.
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The rover collected the first rock core samples from another planet (it’s carrying six so far), served as an indispensable base station for Ingenuity, the first helicopter on Mars, and tested MOXIE (Mars Oxygen In-Situ Resource Utilization Experiment), the first prototype oxygen generator on the Red Planet. Weighing roughly 1 ton (1,025 kilograms), Perseverance is the heaviest rover ever to touch down on Mars, returning dramatic video of its landing. 18, 2021, and the six-wheeled scientist has other important accomplishments in store as it speeds toward its new destination and a new science campaign. NASA’s Perseverance rover has notched up a slew of firsts since touching down on Mars one year ago, on Feb.
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The rover has racked up a series of accomplishments, including new distance records, as it reaches the end of the first of several planned science campaigns on the Red Planet.