Astronomers spot 2026 ED138, a giant icy world that could become the sixth dwarf planet
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Matthew Holman and Mario Jurić’s team found 2026 ED138 with the Vera C. Rubin Observatory’s Simonyi Survey Telescope. At roughly 1,000 km across, it is the largest trans-Neptunian object discovered in about 20 years and ranks among the biggest dwarf-planet candidates beyond Neptune. IAU confirmation would make it the sixth official dwarf planet alongside Pluto, Ceres, Eris, Haumea and Makemake.
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