Gases collected from boiling mineral springs in Zambia contain the chemical signature of having come directly from the Earth’s mantle, a sign of a rupture in the tectonic plates and the possible beginning of a new continental boundary
Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches are more dynamic than we thought
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/51/e6/51e659c2-d7ff-4f82-9d48-25ebaea352d5/20260505-prc-fig.jpg)
