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New Dwarf Planet Discovery Challenges Planet Nine Theory

8/20/2025

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Story summary
  • Researchers identified a potential dwarf planet, 2017 OF201, which may challenge the existence of Planet Nine.
  • Its unique orbit indicates it was likely not affected by a large planet.
  • The object measures approximately 700 kilometers in diameter and has an orbital period exceeding 24,000 years.
  • Additional data is required to verify its status as a dwarf planet.