Today we present the third and final installment of my interview with Sarah Parcak, a prominent founding figuring the emerging field of astroarchaeology. Most of today’s installment concerns a crowd-enabled detection project Sarah created with proceeds from the TED Prize. It’s called GlobalXplorer. Partly inspired by Galaxy Zoo, it let armies of “citizen scientists” scan twelve million quadrants of Peruvian satellite imagery for hints of archaeological remains.

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