Geography Reference
In-Depth Information
pixel designates 20 square meters—just over 215 square feet. Each one has an
address, expressed in longitude and latitude, corresponding to a unique territory
on the face of the Earth. And each one has a signature, the heat value of that place
at the time the satellite passed silently above. That value is expressed as a number,
which in turn has an assigned standard false color. The satellite gathers data—
we see an image.
What can we see in this image data? It is the record of a war, not just of NATO's
air war, but of the emptied cities and the burning villages, the refugees and what
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