基于太阳系诞生和演化新视角的灾变晚期重轰击时代起源的理论表述
Theoretical Formulation of the Origin of Cataclysmic Late Heavy Bombardment Era based on the New Perspective of Birth & Evolution of Solar Systems
摘要：
基于行星-卫星动力学，2004年提出了太阳系诞生和演化的新观点。这种新的视角本身隐含着1：2平均运动共振（1：2 MMR，即Ps/Pj = 2）。这篇论文表明，如果我们假设最重的行星，即木星，出生最早的顺序出生，这个公理是新观点的核心，那么有一个独特的初始条件，1：2 MMR交叉正好发生在木星出生后300 My。结果表明，木星和土星诞生之间的25 My时间间隔导致1：2 MMR发生的300 My时间延迟。由于触发晚期重撞击的过程涉及海王星在巨大距离上的运动，因此几乎200 My的时间延迟发生在1：2 MMR交叉和所有类地行星上的流星雨的实际峰值之间，这一点由月球上的岩石学记录证明。尖峰时间延迟的解析推导证明了行星-卫星动力学应用于太阳系诞生和演化的新观点。
英文摘要：
Based on the planet-satellite dynamics, a new perspective on the birth and evolution of the Solar System was proposed in 2004. This new perspective has 1:2 Mean Motion Resonance (1:2 MMR, that is Ps/Pj = 2) implicit in itself . This paper has shown that if we assume the sequential birth of the planets with the heaviest, i.e. Jupiter, being born the earliest and this axiom is central to the new perspective then there is an unique initial condition for which 1:2 MMR crossing occurs exactly 300My after the birth of Jupiter. It is shown that 25 My time gap between the birth of Jupiter and Saturn results in the 300 My time delay in the occurrence of 1:2 MMR. Because the process by which Late Heavy Bombardment is triggered involves the movement of Neptune over enormous distances hence almost 200 My time delay occurs between 1:2MMR crossing and the actual spike in the Meteoritic Shower on all the terrestrial planets as evidenced by the petrology record on the Moon. The analytical derivation of the time delay in the spike is a vindication of this new perspective of the application of planet-satellite dynamics to the birth and evolution of Solar Systems.
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