GeoEye-1, the world’s highest resolution Earth imaging satellite, has a resolution of .50-meters. Using multispectral and panchromatic imagery, GeoEye-1 can discern an object on the ground approximately 16 inches in size. View this satellite image of the Colosseum in Rome, Italy, taken 423 miles in space on September 11, 2009.
GeoEye-1
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