Theoretical models of planetary accretion are tested against three major observational results from space exploration.These include (a) the late heavy bombardment event,(b) the mega-impact effects,and (c) the orbital ...Theoretical models of planetary accretion are tested against three major observational results from space exploration.These include (a) the late heavy bombardment event,(b) the mega-impact effects,and (c) the orbital configuration of the Kuiper belt objects.It is shown that these dynamical processes and orbital structures characteristic of the Solar System history can be fitted into a consistent scenario with the accretion of Uranus and Neptune acting as the driving mechanism.展开更多
文摘Theoretical models of planetary accretion are tested against three major observational results from space exploration.These include (a) the late heavy bombardment event,(b) the mega-impact effects,and (c) the orbital configuration of the Kuiper belt objects.It is shown that these dynamical processes and orbital structures characteristic of the Solar System history can be fitted into a consistent scenario with the accretion of Uranus and Neptune acting as the driving mechanism.