One problem with the collision hypothesis is the question of how a satellite formed in this way could have settled into the nearly circular orbit that the Moon has today.
碰撞假说的一个问题是，以这种方式形成的卫星是如何在月球现在的近乎圆形的轨道上运行的。
As an example, say you have an item that you want to move in a circular orbit around the screen.
例如，假设想要有一个在屏幕中沿着圆形轨迹运动的项。
There might be a distant object in a more stable, more circular orbit that has gone unnoticed so far.
也许有这么一个遥远的天体具有一个更加稳定的更加圆润的轨道而至今未被我们发现。
As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun.
作为另一个例子，地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。
During summer on the top half of Earth, our planet is actually farther from the sun than during winter, a fact owing to our non-circular orbit around the sun.
在地球的上半部分为夏季的时候，实际上这时的地球离开太阳的距离比在冬季还要远。所以会这样，是由于我们围绕太阳运行的轨道，并不是圆的。
Chaotic attitude motion of a magnetic rigid spacecraft in a circular orbit of the earth is treated.
研究在地球万有引力场和磁场中的磁性刚体航天器在圆轨道上的混沌姿态运动。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit.
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动。
The design method of the orthogonal circular orbit satellite constellation supporting global coverage is studied.
讨论了全球覆盖正交圆轨道星座设计方法。
An analytical method allowing exact reconstruction from cone-beam projection data which are detected from a single circular orbit is discussed.
本文介绍了一种可以对来自于单一圆轨道的锥束投影数据进行精确重建的分析方法。
An optimal trajectory generation strategy based on way-points is presented to solve the fixed-time state transition for spacecraft relative motion in a circular orbit.
针对圆(近圆)轨道航天器相对运动的固定时间状态转移问题，提出了一种基于导航点的多脉冲优化轨迹生成策略。
What happens to the precession rate if the orbit around a black hole is made nearly as small as possible, i. e. a slight elongation of the innermost stable circular orbit?
如果将围绕黑洞的轨道调至尽可能的小（即轻微拉长最内层的稳定圆形轨道），对岁差率有何改变？
What happens to the precession rate if the orbit around a black hole is made nearly as small as possible, i. e. a slight elongation of the innermost stable circular orbit?
如果将围绕黑洞的轨道调至尽可能的小（即轻微拉长最内层的稳定圆形轨道），对岁差率有何改变？
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