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To keep it in good working condition, a team at Johnson Space Center recently built a calibration device for the rover to check the function of Sherloc and adjust it properly during the mission. There are 11 items on the instrument that must be calibrated before it can work normally. The calibration device created by the researchers will also be used in other scientific and engineering investigations.

There are ten targets on the surface of the device, including samples of different materials. Occasionally, researchers guide sheloc to scan various materials on the target to calibrate Sherloc. When the instrument is working properly, scientists will know the readings of these materials. If the ratings have deviations, they can be adjusted to make them work properly.

Scientists will be able to make up for errors when analyzing data later. The calibration device can also be used in other tests. Some of the targets carry spacesuit materials that may one day be used to protect astronauts exploring Mars. These scans will help calibrate instruments and help scientists understand how advanced fabrics and materials behave on Mars.