International Collaboration Scientific Publications Astronomical Discoveries Data Analysis Martijn Oei Durham University Astronomical Observations Astrophysical Objects University Research University of Michigan MIT Research Observational Techniques REASONS Study Astrophysical Journal Letters Cambridge University Astrophysical Journal Observational Astronomy Astrophysical Simulations
Its extreme, 25,000-year orbit points to a widespread cohort of distant icy bodies that weaken the gravitational case for an undiscovered ninth planet