A strange fossil at the edge of the solar system just shook up Planet Nine theories ScienceDaily’Fossil’ object dubbed ‘Ammonite’ discovered on the outskirts of the solar system ABC NewsDiscovery and dynamics of a Sedna-like object with a perihelion of 66 au NatureAstronomers discover a cosmic ‘fossil’ at the edge of our solar system. Is this bad news for ‘Planet 9′? Space‘Ammonite’ rare fossil-li…
A strange fossil at the edge of the solar system just shook up Planet Nine theories – ScienceDaily
July 21, 2025