3 papers
astro-ph.EP2025
Forming Mercury by a grazing giant collision involving similar mass bodies
Patrick Franco, Fernando Roig, Othon C. Winter +3
The origin of Mercury still remains poorly understood compared to the other rocky planets of the Solar System. One of the most relevant constraints that any formation model has to…
astro-ph.EP2025
Reassessing the origin and evolution of Ecliptic Comets in the Planet-9 Scenario
Rafael Ribeiro, Andre Izidoro, Alessandro Morbidelli +2
A group of newly observed extreme trans-Neptunian objects exhibit unexpected orbital confinement, characterized by the alignment of orbital angular momentum vectors and apsidal lin…
astro-ph.EP2024
Accretion of Uranus and Neptune: confronting different giant impact scenarios
Leandro Esteves, André Izidoro, Othon C. Winter
The origins of Uranus and Neptune are not fully understood. Their inclined rotation axes -- obliquities -- suggest that they experienced giant impacts during their formation histor…