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Newly Discovered Dwarf Planet Candidate Found Beyond Pluto

Scientists have discovered a dwarf planet candidate, 2026 ED138, beyond Pluto using the Vera C. Rubin Observatory. Estimated to be between 370 and 930 miles across, ED138 is located about 4.3 billion miles from the sun. Researchers hope to confirm its size and classification as a dwarf planet through further observations.

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Matthew Holman

A new dwarf planet candidate, named 2026 ED138, has been discovered beyond Pluto by the Vera C. Rubin Observatory. This object could be one of the largest dwarf planets found, measuring between 370 and 930 miles across and located approximately 4.3 billion miles from the sun. Scientists plan to conduct further observations to confirm its classification as a dwarf planet.

Key facts

  • The discovery was announced on October 27, 2026.
  • 2026 ED138 is estimated to measure between 370 and 930 miles across.
  • ED138 is located about 4.3 billion miles from the sun.
  • The object is classified as a trans-Neptunian object.
  • The Vera C. Rubin Observatory began its survey in June 2026.
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Original Headline

Scientists discover potentially massive dwarf planet candidate hiding beyond Pluto

Neutral Headline

Newly Discovered Dwarf Planet Candidate Found Beyond Pluto