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A new pal for Pluto? Rubin Observatory finds its first dwarf planet candidate
2026 ED138 joins a tribe of potential dwarf planets on the edge of our solar system — and Rubin's astronomers are likely to find more during 10-year sky survey.
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2026 ED138 has been identified as a potential dwarf planet on the outer edge of the solar system. Rubin Observatory astronomers expect to discover additional candidates as they continue their ten‑year sky survey.
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