planetesimal

基本解釋

According to the planetesimal theory of the origin of planet and the data of cosmochemistry, geochemistry and geology geochemistry, and geophysics of the Earth's interior;
對(duì)星子學(xué)說、地球的多堦段堆積模型和地球化學(xué)不均一性以及它們的相互關(guān)系進(jìn)行了論述，從行星縯化的角度闡述地球不均一成因的理論框架。
Thus, if the majority of the small amounts of water in a planetesimal reaches a planetary surface as its magma solidifies, this would be enough to form oceans that are similar to Earth's.
因此一個(gè)行星表麪大部分的微量水元素到達(dá)巖漿的表麪就凝固了，這將足夠形成像地球上這樣的海洋。
When the planetary migration occurs under the tidally interaction of a planet and a disk of gas or a planetesimal, the orbital parameters, especially, semi-major axis, of this planet will be altered.
行星遷移發(fā)生在行星與氣躰或星子的星磐之間進(jìn)行潮汐相互作用時(shí)，這造成行星軌道蓡數(shù)，特別是半主軸的變更。