Interesting AF on Instagram: "When you throw a rock into an active volcano, the first thing that happens depends on what it lands in. If it falls into a lava lake or onto flowing lava, the rock is quickly exposed to extreme heat—often over 1,000°C (1,800°F). Any moisture trapped inside the rock rapidly turns to steam, which can cause the rock to crack, pop, or even shatter in a small explosive reaction. The outer surface may begin to melt, especially if the rock is made of minerals with lower me