“Rolling Stones” –Mars Weird Moon Phobos: Boulders Blasted Free from an Ancient Impact

  “It’s like a ski jump,” said Ken Ramsley, a planetary science researcher at Brown University. “The boulders keep going but suddenly there’s no ground under them. They end up doing this suborbital flight over this zone.” “These grooves are a distinctive feature of Phobos, and how they formed has been debated by planetary scientists … Continue reading “Rolling Stones” –Mars Weird Moon Phobos: Boulders Blasted Free from an Ancient Impact