过度
发表于 2025-4-1 02:18:43
Dynamics Of Periodic Comets And Meteor Streams,merical study of cometary dynamics using mappings is carried out. A distribution like the Oort cloud is a typical stage of the evolution of comets in nearly-parabolic orbits under planetary perturbations..A change of the partial density of meteor streams is studied. For the case of librations the di
Magisterial
发表于 2025-4-1 07:45:57
Episodes Of Terrestrial Geologic Activity During The Past 260 Million Years: A Quantitative Approacnificant underlying periodicity of 26.6 Myr for the Mesozoic and Cenozoic (the exact period differs with minor changes in geologic dating). Phase information suggests that the most recent maximum of the cycle occurred within the last 9 Myr, and may be close to the present time. The quasi-regular pul
assail
发表于 2025-4-1 11:25:39
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Meander
发表于 2025-4-1 15:44:24
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