Landsat image of Kebira Crater in Egypt's Western desert, near the border with Libya. (Image: Boston University Center for Remote Sensing)
Libya's Kebira Crater A huge crater in the Sahara desert, said to be the largest one ever found in the region, and dwarfing Arizona's "Meteor Crater", poses new questions for geologists. Is the crater related to the origins of the mysterious "desert glass" in the region?