文件:Africa satellite plane.jpg

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Nguòng-dā̤ gì ùng-giông ‎（8,460 × 8,900 chiông-só, ùng-giông duâi-nâung: 7.34 MB，MIME lôi-hìng: image/jpeg）

Cī-siŏh-bĭh ùng-giông téng Wikimedia Commons lì, bĕng-chiā ô kō̤-nèng ké̤ṳk gì-tă cuŏng-áng sāi. Â-dā̤ sê cī-bĭh ùng-giông găk ùng-giông mièu-sŭk hiĕk-miêng gì mièu-sŭk nô̤i-ṳ̀ng.

警告 部分瀏覽器在瀏覽此圖片的完整大小時可能會遇到困難：該圖片中有數量巨大的像素點，可能無法完全載入或者導致您的瀏覽器停止回應。
Mièu-sŭk
English: A composed satellite photograph of Africa.
Lài-nguòng

The image is from [1] ("Blue Marble: Land Surface, Shallow Water, and Shaded Topography ", 2002). I took the two 21600x21600 images, land_shallow_topo_west.tif and land_shallow_topo_east.tif, and composed them. I cropped the resulting image at 8460x8900+19400+6200.

Regarding the source data of the original, NASA-Blue Marble file, it is being explained [2] that it

  • used a set of satellite-based observations to yield an image with 1 km² (0.386 square mile) resolution
  • most information comes from NASA’s MODIS instrument (Moderate Resolution Imaging Spectroradiometer)
  • data were collected from June through September 2001
  • ocean data has two sources: (i) shallow water true color data, and (ii) global ocean color/chlorophyll data
  • elevation data stem from the GTOPO 30 dataset by the U.S. Geological Survey’s EROS Data Center
Cáuk-ciā NASA
其他版本
Image extraction processThis file has an extracted image: Africa satellite plane (cropped-egypt).jpg.
lang=cdo
Cropped image: Sahara


Public domain 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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在此檔案描寫的項目

描繪內容 繁體中文

多媒體型式 繁體中文

image/jpeg

校驗和 繁體中文

a504c5a90077b57cd1b32b811e91ebca117c6fbe

斷定方法 繁體中文: SHA-1 中文 (已轉換拼寫)

資料大小 繁體中文

7,700,724 Byte

高度 繁體中文

8,900 ōe-sò͘

寬度 繁體中文

8,460 ōe-sò͘

Ùng-giông lĭk-sṳ̄

Sōng-dĕk siŏh bĭk nĭk-gĭ/sì-găng lì káng hiā sèng-hâiu gì ùng-giông.

Nĭk-gĭ/Sì-găngSáuk-liŏk-dùChióh-cháungÊ̤ṳng-hôSuók-mìng
hiêng-káik-sì2005 nièng 3 nguŏk 28 hô̤ (B1) 00:462005 nièng 3 nguŏk 28 hô̤ (B1) 00:46 bēng-buōng gì sáuk-liŏk-dù8,460 × 8,900（7.34 MB）Dbenbennoriginal high-resolution version, cropped land_shallow_topo_west.tif at 8460x8900+19400+6200
2004 nièng 11 nguŏk 13 hô̤ (B6) 21:082004 nièng 11 nguŏk 13 hô̤ (B6) 21:08 bēng-buōng gì sáuk-liŏk-dù741 × 800（113 KB）Bjarki S

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