| The date is based on the oldest found to date in , and is thought to be the date of the formation of the first solid material in the collapsing nebula | "A Geometric Determination of the Distance to the Galactic Center" |
|---|---|
| "On the origin of the High-Perihelion Scattered Disk: the role of the Kozai mechanism and mean motion resonances" | University of New South Wales |
| Ree; Thibault Lejeune; Sydney Barnes 2001 | Levison, Martin J Duncan 1997 |
|---|---|
| Celestial Mechanics and Dynamical Astronomy | Schroder, Robert Cannon Smith 2008 |
"The age of the solar system redefined by the oldest Pb-Pb age of a meteoritic inclusion.
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