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#Perseverance has now sealed the 12th core and presumably cached it with the rest of the samples.

Indicative of the importance of these last two samples to the #Mars2020 mission is that it appears to have used one more of its witness tubes to capture the environment (contaminants, dust particles, air composition, etc) at the time the samples were taken. It will be sent to Earth along with the cores.

Processed CACHE_CAM and SHERLOC_WATSON

Credits in image descriptions.