The world as seen from space, over a 12-month time-lapse
Barbara Tien stashed this in Managing News
(from the Washington Post's list of 40 Maps that Explain the World)
This NASA moving image, recorded by satellite over a full year as part of their Blue Marble Project, shows the ebb and flow of the seasons and vegetation. Both are absolutely crucial factors in every facet of human existence — so crucial we barely even think about them. It’s also a reminder that the Earth is, for all its political and social and religious divisions, still unified by the natural phenomena that make everything else possible.