Lying beyond Pluto, 2026 ED 138 could be as large as 1, 500 kilometers in diameter. Astronomers are still working to confirm whether it meets the criteria for a dwarf planet.
Astronomers Discover a Possible New Dwarf Planet in Our Solar System


Lying beyond Pluto, 2026 ED 138 could be as large as 1, 500 kilometers in diameter. Astronomers are still working to confirm whether it meets the criteria for a dwarf planet.