| Ree; Thibault Lejeune; Sydney Barnes 2001 | "A Geometric Determination of the Distance to the Galactic Center" |
|---|---|
| Levison, Martin J Duncan 1997 | Quarterly Journal of the Royal Astronomical Society |
"The age of the solar system redefined by the oldest Pb-Pb age of a meteoritic inclusion.
11| , "", 2002 Journal of Geophysical Research Space Physics , Volume 107, Issue A7, pp | Schroder, Robert Cannon Smith 2008 |
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| and the Cassini Imaging Team July 18, 2007 |
The Proceedings of the IAU 8th Asian-Pacific Regional Meeting, Volume I.
25| "Chondrule-forming Shock Fronts in the Solar Nebula: A Possible Unified Scenario for Planet and Chondrite Formation" | Astronomical Society of the Pacific Conference Series |
|---|---|
| "On the origin of the High-Perihelion Scattered Disk: the role of the Kozai mechanism and mean motion resonances" | 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 |
Celestial Mechanics and Dynamical Astronomy.