Landsat Seen as Stunning Return on Public Investment
Orbiting Earth more than 400 miles away in space, far from human view; recording repeated images of land around the globe for more than 42 years; offering customers petabytes of historical and current data for free, the Landsat program of Earth observing satellites could be seen as the personification of the most single-minded office worker — tirelessly systematic, yes, but after so many years, perhaps less than dramatic.