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Lêer:Africa satellite plane.jpg

Oorspronklike lêer ‎(8 460 × 8 900 piksels, lêergrootte: 7,34 MG, MIME-tipe: image/jpeg)

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Beskrywing
English: A composed satellite photograph of Africa.
Bron

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
Outeur NASA
Ander weergawes
Image extraction processThis file has an extracted image: Africa satellite plane (cropped-egypt).jpg.
lang=af
Cropped image: Sahara


Public domain 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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MIME type Engels

image/jpeg

checksum Engels

a504c5a90077b57cd1b32b811e91ebca117c6fbe

bepaling metode: SHA-1 Engels

data size Engels

7 700 724 greep

height Engels

8 900 pieksel

width Engels

8 460 pieksel

Lêergeskiedenis

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Datum/TydDuimnaelDimensiesGebruikerOpmerking
huidig00:46, 28 Maart 2005Duimnaelskets vir weergawe vanaf 00:46, 28 Maart 20058 460 × 8 900 (7,34 MG)Dbenbennoriginal high-resolution version, cropped land_shallow_topo_west.tif at 8460x8900+19400+6200
21:08, 13 November 2004Duimnaelskets vir weergawe vanaf 21:08, 13 November 2004741 × 800 (113 KG)Bjarki S

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