File:PIA24306-MarsSampleReturn-AnatomyOfTube-20201222.jpg
原始檔案 (3,840 × 2,160 像素,檔案大小:1.29 MB,MIME 類型:image/jpeg)
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[編輯]描述PIA24306-MarsSampleReturn-AnatomyOfTube-20201222.jpg |
English: PIA24306: Anatomy of a Sample Tube
https://photojournal.jpl.nasa.gov/catalog/PIA24306 This illustration depicts the exterior of a sample tube being carried aboard the Mars 2020 Perseverance rover. About the size and shape of a standard lab test tube, the 43 sample tubes headed to Mars must be lightweight, hardy enough to survive the demands of the round trip, and so clean that future scientists will be confident that what they are analyzing is 100% Mars, without Earthly contaminants. Exterior Ball Lock: Placed on opposite sides of the tube, the two ball locks help secure the sample tube as it progresses through the many stages of sample collection and storage. Serial Number: Helps with identification of the tubes and their contents. Titanium Nitride Coating: Gold in color, this extremely hard ceramic coating is used as a specialized surface treatment that resists contamination. Alumina Coating: The reflective coating provides thermal protection and acts as a sponge to prevent potential contaminants from getting inside the sample tube. Bare Titanium: The portion of tube near the open end contains no coating to eliminate the possibility that the coating could delaminate from this portion of the tube during the insertion of a hermetic seal. Bearing Race: An asymmetrical flange at the open end of the tube, it assists in the process of shearing (breaking) off samples at the completion of the coring portion of sample collection. JPL built and will manage operations of the Mars 2020 Perseverance rover for NASA. For more information about the mission, go to: https://mars.nasa.gov/mars2020. |
日期 | |
來源 | https://photojournal.jpl.nasa.gov/jpeg/PIA24306.jpg |
作者 | NASA/JPL-Caltech |
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本作品由NASA創作,屬於公有領域。根據NASA的版權政策:“NASA的創作除非另有聲明否則不受版權保護。”(參見:Template:PD-USGov/zh,NASA版權政策或JPL圖像使用政策) | ||
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目前 | 2020年12月24日 (四) 16:24 | 3,840 × 2,160(1.29 MB) | Drbogdan(留言 | 貢獻) | Uploaded a work by NASA/JPL-Caltech from https://photojournal.jpl.nasa.gov/jpeg/PIA24306.jpg with UploadWizard |
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方位 | 標準 |
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水平解析度 | 300 dpi |
垂直解析度 | 300 dpi |
使用軟體 | Adobe Photoshop 21.2 (Macintosh) |
檔案修改日期時間 | 2020年12月17日 (四) 12:08 |
色彩空間 | sRGB |