死在火星上

天瑞说符

首页 >> 死在火星上 >> 死在火星上全文阅读(目录)
大家在看诸天修仙:从凡人开始 在崩坏出现的奥特曼 混迹在行尸走肉 雷杰多奥特曼之光暗同体 海贼之从巧克力大臣开始 我降临于诸天世界 成神风暴 亚人娘补完手册 重生我被校花倒追了 影视世界从小舍得开始 
死在火星上 天瑞说符 - 死在火星上全文阅读 - 死在火星上txt下载 - 死在火星上最新章节 - 好看的其他小说

对火星轨道变化问题的最后解释

上一页书 页下一页阅读记录

Among many definitions of stability, here we adopt the Hill definition (Gladman 1993): actually this is not a definition of stability, but of instability. We define a system as being unstable when a close encounter occurs somewhere in the system, starting from a certain initial configuration (Chambers, Wetherill Boss 1996; Ito Tanikawa 1999). A system is defined as experiencing a close encounter when two bodies approach one another within an area of the larger Hill radius. Otherwise the system is defined as being stable. Henceforward we state that our planetary system is dynamically stable if no close encounter happens during the age of our Solar system, about ±5 Gyr. Incidentally, this definition may be replaced by one in which an occurrence of any orbital crossing between either of a pair of planets takes place. This is because we know from experience that an orbital crossing is very likely to lead to a close encounter in planetary and protoplanetary systems (Yoshinaga, Kokubo Makino 1999). Of course this statement cannot be simply applied to systems with stable orbital resonances such as the Neptune–Pluto system.

1.2Previous studies and aims of this research

In addition to the vagueness of the concept of stability, the planets in our Solar system show a character typical of dynamical chaos (Sussman Wisdom 1988, 1992). The cause of this chaotic behaviour is now partly understood as being a result of resonance overlapping (Murray Holman 1999; Lecar, Franklin Holman 2001). However, it would require integrating over an ensemble of planetary systems including all nine planets for a period covering several 10 Gyr to thoroughly understand the long-term evolution of planetary orbits, since chaotic dynamical systems are characterized by their strong dependence on initial conditions.

本小章还未完,请点击下一页继续阅读后面精彩内容!

喜欢死在火星上请大家收藏:(m.2yq.org)死在火星上爱言情更新速度全网最快。

上一页目 录下一页存书签
站内强推大奉打更人 这游戏也太真实了 斗罗大陆3龙王传说 深空彼岸 女侠且慢 亮剑:云龙兄,我欠你的总算还清 玄幻:从炼丹学徒开始崛起 女配不掺和(快穿) 横推诸天从风云开始 赤心巡天 天骄战纪 灾变卡皇 道侣助我长生 傲世九重天 镇守藏经阁百年,投资天命反派 挂机托管百万年,我是人族圣皇 宿舍求生,我被拉进了管理群 碧蓝:养了一群冲官逆女 娘亲偷听我心声后,转头清家产 诡秘:阿卡纳战争 
经典收藏没钱上大学的我只能去屠龙了 亚人娘补完手册 从召唤魅魔开始 斗罗:武魂邪剑仙,吸收无限怨气 外挂傍身的杂草 流浪者舰娘 斗破之天宗晓梦 我家娘子,不对劲 盗墓从黄皮子坟开始 呢喃诗章 斗罗:我在绝世画江湖 斗罗V:悟性逆天,开局小舞疯狂贴贴 诸天从长津湖开始 争霸高武 斗罗:我是僵尸,我为植物代言! 斗罗:我!荒天帝,降临武魂殿 斗罗:开局召唤雷电将军 斗罗:我的武魂是正义天使 全民游戏:我能刷新角色词缀 从斗罗开始的武魂灵珠 
最近更新表白宿敌后我功德成神了 轩澜听风 重生之音梦翱翔 月亮崇拜少司命 若若曦晨 锦逸良缘 听说没?顶流和影帝双向暗恋了 招惹阴鸷大佬后,他对我又宠又撩 重回A市,要个妹妹回家养 低调路人甲,我在修仙界当校花 墨渊自述:四海八荒那些年 女子推理社,拯救意难平 读心:小猫咪能有什么坏心思 无梦者会梦见杀戮神吗 水浒反派:我给帝姬当笔友 豪门契约:总裁的挚爱宠妻 无限异次元之狂魔之手 精灵:摸鱼的波导使者 诸天:系统给我选项只为爽 闲人冒险记 
死在火星上 天瑞说符 - 死在火星上txt下载 - 死在火星上最新章节 - 死在火星上全文阅读 - 好看的其他小说