火星和地球上山峰最高高度及其差异研究

发布时间：2018-04-19 05:01

本文选题：火星 + 地球　；参考：《中国科学技术大学学报》2015年11期

【摘要】：火星的半径只有地球半径的一半多一点,而火星的最高峰奥林匹斯山比地球的最高峰珠穆朗玛峰的两倍还高,火星上还有不少比珠峰还要高得多的山峰.为解释这种与天体尺度不成比例的山峰或凸起的出现原因,建立了一个山峰的应力模型,发现影响山峰高度的主要因素是重力加速度.越是小的天体,它的表面重力加速度越小,表面的凸起就越显著.同一模型亦较好地估算出与实际相近的地球最深海沟的深度.
[Abstract]:Mars has a radius of just over half the radius of the Earth, and Mount Olympus, the highest peak of Mars, is twice as high as Mount Everest, and there are many more peaks than Mount Everest.In order to explain the occurrence of this kind of mountain peak or bulge which is out of proportion to the celestial scale, a stress model of the peak is established. It is found that the main factor affecting the height of the peak is the acceleration of gravity.The smaller the object, the smaller the acceleration of gravity on its surface and the more prominent the surface.The same model also estimates the depth of the earth's deepest trench which is similar to the actual one.
【作者单位】：中国科学技术大学地球和空间科学学院中国科学院近地空间环境重点实验室;宇航科学与技术协同创新中心;
【基金】：国家自然科学基金(41374179,41421063) 中国科学院重点项目基金(KZZD-EW-01-4)资助
【分类号】：P185.3;P313

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