About
Mastcam-Z, a pair of zoomable cameras aboard NASA's Perseverance rover, imaged its calibration target for the first time on Feb. 20, 2021, the second Martian day, or sol, of Perseverance's mission. Visible in this natural-color composite are the Mastcam-Z primary-color and grayscale calibration target (the colorful circular object at right foreground) as well as the camera's secondary calibration target (the small colorful L-bracket just below the primary target). The Mastcam-Z team uses these targets to calibrate images of the Martian terrain to adjust for changes in brightness and dust in the atmosphere throughout the day. The white square plate containing a grid of circular colored disks — NASA JPL · 2021. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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