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Status: Unchecked ×Keyword: self-gravitating disks ×Clear all

3 claims from 1 paper

1. Physics and Astronomy › Astro and Planetary Science

   Instabilities in the Early Solar System Due to a Self-gravitating Disk

   Quarles and Kaib · The Astronomical Journal · 2019

   Simulations including all gravitational interactions between planetesimals suggest that self-stirring of the early Kuiper belt strongly shapes when and how the giant planets became unstable.

   Unchecked3 claims
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   1. UncheckedSimulations suggest planetesimals heating one another typically stop the giant-planet instability being delayed beyond a few tens of millions of years.“We find that interactions between planetesimals dynamically heat the disk and typically prevent the outer solar system instability from being delayed by more than a few tens of million years after giant planet formation.”
   2. UncheckedIn simulations, long delays before the giant planets' instability happen only in a small fraction of systems with gaps of at least 3.5 AU to the disk.“Longer delays occur in a small fraction of systems that have at least 3.5 AU gaps between the planets and planetesimal disk.”
   3. Unchecked“Pre-instability heating of the disk typically yields final Jovian eccentricities comparable to the modern solar system value, which has been a difficult constraint to match in past works.”