What an Astronaut’s Camera Sees from ISS
FollowWhen astronauts head to the International Space Station (ISS), Dr. Justin Wilkinson, the chief geoscientist at NASA, asks them to snap pictures of various geographical locations. From this vantage point 250 miles above the planet’s surface, he learns many things — for example, he tells Slate, “there are a lot more examples of a geographical phenomenon called an inland delta or megafan—that is, deltas formed far from coastlines—than was once thought.