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1,460 claims from 908 papers are on the record. 46 have been checked so far; the other 1,414 have no check with a result yet.

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Status: Unchecked ×Keyword: planetesimal disc ×Clear all

5 claims from 2 papers

1. Physics and Astronomy › Astro and Planetary Science

   How Sedna and family were captured in a close encounter with a solar sibling

   Jílková, Zwart, Pijloo and Hammer · Monthly Notices of the Royal Astronomical Society · 2015

   The paper argues that the orbits of the Sedna family of distant planetesimals fit a population captured from another star's disc, and reconstructs the close encounter that could have done so.

   Unchecked2 claims
   Show 2 claims

   1. UncheckedThe Sedna-family objects might have been captured when a 1.8 solar-mass star passed the Sun at about 340 au, the paper concludes.“We conclude that they might have been captured in a near miss with a 1.8MSun star that impacted the Sun at ~340au at an inclination with respect to the ecliptic of 17--34deg with a relative velocity at infinity of ~4.3km/s.”
   2. UncheckedThe paper predicts that a close stellar encounter would have left about 930 planetesimals in the Sednitos region and about 440 in the inner Oort cloud.“We predict that the Sednitos-region is populated by 930 planetesimals and the inner Oort cloud acquired ~440 planetesimals through the same encounter.”

2. Physics and Astronomy › Astro and Planetary Science

   The Solar System could have formed in a low-viscosity disc: A dynamical study from giant planet migration to the Nice model

   Griveaud, Crida, Petit, Lega and Morbidelli · arXiv (Cornell University) · 2024

   Unchecked3 claims
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   1. Unchecked“The gaps open by giant planets are wider and deeper for lower viscosity, reducing the damping effect of the disc and thus weakening resonant chains.”
   2. Unchecked“In a thin PPD, the four giant planets revert their migration and migrate outwards.”
   3. Unchecked“For three of our resonant chains, about 1% of the final configurations pass the four criteria to fit the Solar System.”