Sent_en: 2zh Scientists say that the heat source producing the geysers is "organic" and that the material used to spew them is caused by the decaying of radioactive material from inside the moon.
Sent_yy: 科学家们说，产生喷泉的热源是“有机”的，用于推动这些喷泉的物质产生于这颗月亮内部放射性物质的衰变。