Student-led study reveals extraterrestrial explosions may blow hot and cold

Mount Vesuvius, Krakatoa, Mount St. Helens: Since the formation of Earth approximately 4.5 billion years ago, the convection and release of hot magma in its mantle layer has famously led to some of the deadliest eruptions in history. But what if the same explosions occurred when a geological feature and nearby chemical compounds became too cold?