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Icy Europa May Be First Alien World With Active Plate Tectonics - Wired Science »

Scientists may have spotted the first evidence for active plate tectonics on another world. Jupiter's moon Europa is covered in an ice crust bearing scars that may reveal movement similar to that of Earth's rocky plates. Source Main page (current trends)
More about: Alien World, Icy Europa, Jupiter's moon Europa, Plate Tectonics, Wired Science