File:MarsCuriosityRover-35DrillHoles-20220608.jpg
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[edit]DescriptionMarsCuriosityRover-35DrillHoles-20220608.jpg |
English: Curiosity's 35 Drill Holes
NASA's Curiosity Mars rover has used the drill on its robotic arm to take 35 rock samples to date. The Mars Hand Lens Imager (MAHLI), a camera on the end of the robotic arm, provided the images in this mosaic. MAHLI was built by Malin Space Science Systems in San Diego. NASA's Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Curiosity rover for the NASA Science Mission Directorate in Washington. JPL designed and built Curiosity. When this image was obtained, the focus motor count position was 13583. This number indicates the internal position of the MAHLI lens at the time the image was acquired. This count also tells whether the dust cover was open or closed. Values between 0 and 6000 mean the dust cover was closed; values between 12500 and 16000 occur when the cover is open. For close-up images, the motor count can in some cases be used to estimate the distance between the MAHLI lens and target. For example, in-focus images obtained with the dust cover open for which the lens was 2.5 cm from the target have a motor count near 15270. If the lens is 5 cm from the target, the motor count is near 14360; if 7 cm, 13980; 10 cm, 13635; 15 cm, 13325; 20 cm, 13155; 25 cm, 13050; 30 cm, 12970. These correspond to image scales, in micrometers per pixel, of about 16, 25, 32, 42, 60, 77, 95, and 113. Most images acquired by MAHLI in daylight use the sun as an illumination source. However, in some cases, MAHLI's two groups of white light LEDs and one group of longwave ultraviolet (UV) LEDs might be used to illuminate targets. When Curiosity acquired this image, the group 1 white light LEDs were off, the group 2 white light LEDs were off, and the ultraviolet (UV) LEDS were off. More information about Curiosity is online at http://www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl/. |
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Author | NASA/JPL-Caltech/MSSS | |||
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 08:39, 6 August 2022 | 3,000 × 3,150 (1.6 MB) | Chinakpradhan (talk | contribs) | new and better image | |
08:37, 6 August 2022 | 3,000 × 3,138 (1.98 MB) | Chinakpradhan (talk | contribs) | File:PIA24764-MarsCuriosityRover-32DrillHoles-20210817.jpg cropped < 1 % vertically using CropTool with precise mode. |
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