恶魔塔上空的银河
2022年4月13日 Milky Way over Devils Tower Image Credit & Copyright: MaryBeth Kiczenski Explanation: What created Devils Tower? The origin of this extraordinary rock monolith in Wyoming, USA is still debated, with a leading hypothesis holding that it is a hardened lava plume that never reached the surface to become a volcano. In this theory, the lighter roc...