Buong resolusyon((8,460 × 8,900 pixel, laki ng talaksan: 7.34 MB, uri ng MIME: image/jpeg))

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Paglalarawan
English: A composed satellite photograph of Africa.
Pinanggalingan

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
May-akda NASA
Iba pang mga bersyon
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.)
Warnings:

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Było Elbląg

Items portrayed in this file

depicts English

media type English

image/jpeg

checksum English

a504c5a90077b57cd1b32b811e91ebca117c6fbe

data size English

7,700,724 byte

height English

8,900 pixel

width English

8,460 pixel

Nakaraan ng file

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Araw/OrasThumbnailMga dimensiyontagagamitKumento
ngayon00:46, 28 Marso 2005Thumbnail para sa bersyon noong 00:46, 28 Marso 20058,460 × 8,900 (7.34 MB)Dbenbennoriginal high-resolution version, cropped land_shallow_topo_west.tif at 8460x8900+19400+6200
21:08, 13 Nobyembre 2004Thumbnail para sa bersyon noong 21:08, 13 Nobyembre 2004741 × 800 (113 KB)Bjarki S

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