NASA’s Curiosity Rover Finds Vast Sea of Polygons in Mars’ Gale Crater
NASA’s Curiosity rover discovered a vast valley field of honeycomb-shaped polygonal fractures on Mars nicknamed a sea of polygons. Captured on June 19 and 20 inside Gale Crater’s Valle Grande, the geometric textures measure 1.5 to 3 inches across and offer fresh clues into the planet’s ancient, watery history. The latest geologic surprise from the … Read more