Writer Fuel: New Mars Express Photos Reveal Grand Canyon Sized “Scar”
A satellite orbiting Mars has captured the best-ever images of a gigantic “scar” carved across the Red Planet’s surface. The dark ravine, which is accompanied by unusual zebra-like stripes, is likely the result of extreme volcanic activity millions of years ago. The striking surface feature, named Aganippe Fossa, is a graben — a “ditch-like groove … Read more