When Mount Ruang in Indonesia underwent multiple explosive eruptions last week, volcanic gases were flung so high they reached the atmosphere’s second layer, tens of thousands of feet above ground. The force of Mount Ruang’s eruptions this week ejected an ash plume tens of thousands of feet in the air and sent some volcanic gases more than 65,000 feet into the air, according to satellite estimates – about 25,000 feet higher than a commercial airplane will typically fly. The eruption’s potential impacts to weather and climate are starting to come into focus, even as the danger posed by the volcano...