From Outer Space, 1.5 Million Adelie Penguins Are Observed in Antarctica

Everyday, Landsat satellites orbiting the planet take pictures of things like changes in world cities seen from space, big fires, melting glaciers, and more.

Among these curious photographs are the Adelie penguin population in Antarctica. This unusual task is the work of NASA scientist Mathew Schwaller, who reasoned in 1984 that penguins spent much of the organic waste, so scientists could estimate the size of the population from outer space, with a full guano content on white ice. Continue reading “From Outer Space, 1.5 Million Adelie Penguins Are Observed in Antarctica”