SMRTR Science & EngineeringJul 20, 2025Science Daily

A strange fossil at the edge of the solar system just shook up Planet Nine theories

SMRTR summary

Astronomers using the Subaru Telescope have discovered 2023 KQ14, a rare "sednoid" beyond Pluto. This fourth known object of its kind provides new insights into the outer Solar System's complexity and challenges Planet Nine theories. Simulations indicate a stable orbit for billions of years, potentially offering clues about early Solar System formation. This discovery underscores the importance of studying distant objects to understand our cosmic neighborhood's history and structure.

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