TOM VAN SANT, GEOSPHERE PROJECT / PLANETARY VISIONS / SCIENCE PHOTO LIBRARY TOM VAN SANT, GEOSPHERE PROJECT / PLANETARY VISIONS / SCIENCE PHOTO LIBRARY
Not for poster use.
North America. Cloudless satellite image of North America in flat projection; this exaggerates east- west distances in the northernmost areas (at top). The colours of the land approximate to natural tones, whilst blue colour-codes represent ocean topography. North America is comprised of Canada (at upper centre), the United States of America (at centre) & Mexico (at lower centre). This image was compiled from data acquired by NOAA weather satellites over eleven ten-day periods at an altitude of 833 kilometres (km) to give a resolution of 1 km.
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