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This image taken by the front left hazard camera (hazcam) aboard NASA's Mars Perseverance rover shows the cored-rock sample remaining in the sample tube after the drill bit was extracted from the bit carousel on Jan. 7, 2022. The sample was collected from a rock in the "South Séítah" region of Jezero Crater on Dec. 29, 2021. This image has been processed to enhance contrast. A key objective for Perseverance's mission on Mars is astrobiology, including the search for signs of ancient microbial life. The rover will characterize the planet's geology and past climate, pave the way for human expl…