Asia, topographic map. Highlands and lowlands of the continents are shown as ridges and flat areas. Europe (upper left), East Asia (upper right), Sout
Asia, topographic map. Highlands and lowlands of the continents are shown as ridges and flat areas. Europe (upper left), East Asia (upper right), Southeast Asia (lower right), India (lower centre) and Africa (left) are also seen. The seabed depth varies from shallow (light blue) on the continental shelves to deep ocean basins (dark blue). Topographic and bathymetric data is usually gathered by using aerial and satellite imagery combined with radar and sonar mapping. The satellites in this case were NOAA's POES satellites.
Size: 4193px × 4193px
Photo credit: © PLANETARY VISIONS LTD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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