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The first cored sample of Mars rock is visible (at center) inside a titanium sample collection tube in this from the Sampling and Caching System Camera (known as CacheCam) of NASA's Perseverance rover. The image was taken on Sept. 6, 2021 (the 194th sol, or Martian day, of the mission), prior to the system attaching and sealing a metal cap onto the tube.

The image was taken so the cored-rock sample would be in focus. The seemingly dark ring surrounding the sample is a portion of the sample tube's inner wall. The bright gold-colored ring surrounding the tube and sample is the "bearing race," an asymmetrical flange that assists in shearing off a sample once the coring drill has bored into a rock. The outermost, mottled-brown disc in this image is a portion of the sample handling arm inside the rover's adaptive caching assembly.

An additional set of images shows the tube and its cored sample during CacheCam imaging inspection.

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 exploration of the Red Planet, and be the first mission to collect and cache Martian rock and regolith (broken rock and dust).

Subsequent NASA missions, in cooperation with ESA (European Space Agency), would send spacecraft to Mars to collect these sealed samples from the surface and return them to Earth for in-depth analysis.

The Mars 2020 Perseverance mission is part of NASA's Moon to Mars exploration approach, which includes Artemis missions to the Moon that will help prepare for human exploration of the Red Planet.

JPL, which is managed for NASA by Caltech in Pasadena, California, built and manages operations of the Perseverance rover.

For more about Perseverance: mars.nasa.gov/mars2020