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Science

  • Volume 377
  • Issue 6614
  • 30 Sep 2022
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COVER Two samples of rock (top and bottom holes) were collected by the Perseverance rover from this outcrop of the Séítah geologic formation in Jezero crater, Mars. Also visible are a discarded sample attempt (middle hole), a rock abrasion patch (lower left depression), and the rover’s tracks and shadow. Analysis of the Séítah formation shows that it consists of igneous rocks modified by liquid water. See pages eabo2196 and 1513.

Photo: NASA/JPL-Caltech

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