New images from Mars Express reveal huge scar on the Red Planet’s surface
Newly released images from the European Space Agency’s Mars Express orbiter show a breathtaking view of a huge ‘scar’ on the surface of Mars known as Aganippe Fossa. This remarkable geologic formation is a graben, a steep-sided, trench-like gorge that extends for about 370 miles (600 kilometers), longer than the Grand Canyon. These images provide … Read more