A ‘lost planet’ may have given Jupiter and Uranus their moons New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant. Astrobitica May 29, 2026 (Last updated: May 29, 2026) 1 minute read New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant. About the Author Astrobitica Administrator Visit Website View All Posts This post was originally published on this site Post navigation Previous: The Flash Memory That Space Can’t DestroyNext: Red dwarf stars are cosmic killers that eat their own planets