PIA25071: Rotating Perseverance's Bit Carousel
 Target Name:  Mars
 Is a satellite of:  Sol (our sun)
 Mission:  Mars 2020 Rover
 Spacecraft:  Perseverance
 Instrument:  Scanning Habitable Environments with Raman & Luminescence for Organics and Chemicals (SHERLOC) 
 Product Size:  1200 x 1648 pixels (w x h)
 Produced By:  Malin Space Science Systems
 Full-Res TIFF:  PIA25071.tif (4.546 MB)
 Full-Res JPEG:  PIA25071.jpg (171.9 kB)

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In this annotated animated GIF, the bit carousel on NASA's Perseverance Mars rover can be seen rotating during a test of the component on Jan. 17, 2022, the 325th Martian day, or sol, of the mission. The carousel was rotated about 75 degrees during the test, then was returned back to its original position.

The five images that compose this animated GIF were captured to determine the status – after the test – of four fragments of the cored rock that fell out of the sample tube during Perseverance sampling activity on Dec. 29, 2021. After completion of the test, the upper two rock fragments (seen in the first image) have disappeared, having been ejected during the rotation. However, the lower two rock fragments, located below the bit carousel housing, remain.

The five images that make up the GIF were obtained by the WATSON (Wide Angle Topographic Sensor for Operations and eNgineering) camera. Located in the turret at the end of the rover's robotic arm, WATSON can document the structure and texture within a drilled or abraded target, and its data can be used to derive depth measurements. The camera is a subsystem of the SHERLOC (Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals) instrument.

NASA's Jet Propulsion Laboratory built and manages operations of Perseverance and Ingenuity for the agency. Caltech in Pasadena, California, manages JPL for NASA. WATSON was built by Malin Space Science Systems (MSSS) in San Diego and is operated jointly by MSSS and JPL.

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.

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