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Status: Unchecked ×Keyword: catastrophic disruption ×Clear all

2 claims from 1 paper

1. Physics and Astronomy › Astro and Planetary Science

   OSSOS. XXVI. On the Lack of Catastrophic Collisions in the Present Kuiper Belt

   Abedin, Kavelaars, Petit et al. · The Astronomical Journal · 2022

   The authors modelled impact energies among observed Kuiper Belt objects to test whether collisions have ground the population down since it formed, and found little sign of catastrophic collisions at present.

   Unchecked2 claims
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   1. UncheckedMost collisions between objects in the Kuiper Belt today are cratering impacts, not ones that break the bodies apart, according to this study.“We conclude that presently, most of the collisions in the trans-Neptunian region are in the cratering rather than disruption regime.”
   2. UncheckedBecause collisions among cold classical Kuiper Belt objects are rare, their size distribution most likely reflects how planetesimals first formed.“Given the low collision rates among the cold classical Kuiper Belt objects, their SFD most likely represents the primordial planetesimal accretion.”