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Shown here is an annotated representation of the 13 sample tubes containing rock-core samples that are being carried aboard NASA's Perseverance rover as of Dec. 12, 2023, when the mission was marking its 1,000th Martian day, or sol, on the Red Planet. To the right of each sample is the associated abrasion patch that was created at the same location where the core was extracted. The images of the samples and patches are grouped into gray boxes labeled with the name of the four rover science campaigns during which they were collected, from initial campaign to current: Crater Floor, Delta Front,…
