Quote:
Originally posted by sycamore
A government conspiracy, perhaps?
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There's *lots* of man-made structures visible with synthetic aperture radar....which is where the above image came from.
There's also boatloads of satellite-based optical photography and imaging that show highways and buildings....including, for example, the Great Pyramid at Giza. Terraserver is loaded with it.
I suspect that the Great Wall was the *first* man-made object seen from space <b>by a naked-eye human observer</b>. In my own experience things that cast shadows are a *lot* more promient from aloft than flat stuff like highways.
Besides, what about the bonfire from the Captain Morgan commercials? :-)