Wish You Were Here? The Sahara Desert, as Seen From Space

By Jamie Condliffe on at

The Sahara desert, over southeastern Algeria, sure looks unwelcoming. With humans unwilling to spend weeks surveying such a space, satellites do the job for them. Perhaps unsurprisingly, they're revealing evidence of soil degradation and overwhelming dehydration—a result of the area seeing less than 10 mm of rainfall per year. [ESA]