Although, we have no quantitative arguments to prove, but we have good reasoning to believe that the Oort clouds existed surrounding the planets. The short period comets, Apollo-Amor-Toro-asteroids and such other objects may be the relics of the Oort clouds that had existed surrounding the planets long ago.
机构:
CNRS, Lab Astrophys Bordeaux, Allee Geoffroy St Hilaire, F-33165 Pessac, France
Univ Bordeaux, Allee Geoffroy St Hilaire, F-33165 Pessac, FranceCNRS, Lab Astrophys Bordeaux, Allee Geoffroy St Hilaire, F-33165 Pessac, France
Raymond, Sean N.
Izidoro, Andre
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Rice Univ, Dept Phys & Astron, 6100 Main MS-550, Houston, TX 77005 USA
Rice Univ, Dept Earth Environm & Planetary Sci, MS 126, Houston, TX 77005 USACNRS, Lab Astrophys Bordeaux, Allee Geoffroy St Hilaire, F-33165 Pessac, France
Izidoro, Andre
Kaib, Nathan A.
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Univ Oklahoma, HL Dodge Dept Phys & Astron, Norman, OK 73019 USA
Planetary Sci Inst, 1700 E Ft Lowell,Suite 106, Tucson, AZ 85719 USACNRS, Lab Astrophys Bordeaux, Allee Geoffroy St Hilaire, F-33165 Pessac, France