Where does Earth’s mysterious ‘ring current’ come from? NASA and the US Space Force are launching a mission to find out NASA, working with the Space Force, plans to launch a space weather mission later this month to study a strange "ring current" surrounding our planet. Astrobitica May 7, 2026 (Last updated: May 7, 2026) 1 minute read NASA, working with the Space Force, plans to launch a space weather mission later this month to study a strange “ring current” surrounding our planet. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: DART: The Day Humanity Moved an AsteroidNext: How Massive Star Clusters Shape Galaxy Evolution