Icy objects there have stable orbits, unaffected by Neptune.

那里的冰状物体有稳定的公转轨道，不受海王星的影响。

Now, it might be stable, orbiting in this way, for perhaps one or two hundred years.

这颗白矮星可能就这样稳定环绕了一两百年。

Maintaining a stable orbit over a specific spot on Earth.

在地球上的特定地点保持稳定的轨道。

The hill sphere refers to a region around a planet where it is capable of holding a moon and keeping it in a stable orbit.

山球是指行星周围的区域，它能够容纳卫星并将其保持在稳定的轨道上。

Many astronomers theorize that the extremely slow rotation, coupled with retrograde motion, makes a challenging for any moon to have a stable orbit around this planet.

许多天文学家推测，极慢的自转和逆行运动使任何卫星都很难在这颗行星周围有一个稳定的轨道。

At the edge of the ergosphere is the innermost stable orbit, the minimum distance to the black  hole a particle can maintain a stable orbit.

在人体回层的边缘是最内层的稳定轨道，即粒子到黑洞的最小距离可以保持稳定的轨道。

Our solar system is in a stable orbit around a supermassive black hole that resides at the center of the Milky Way, at a safe distance of 25,000 light-years.

我们的太阳系围绕位于银河系中心的超大质量黑洞稳定运行，安全距离为 25,000 光年。

There's something called the -- if I can get wonky for one moment -- the innermost stable circular orbit, that's the innermost orbit at which matter can move around a black hole before it spirals in.

有一种叫做——如果我能动摇一下的话——最内部稳定的圆形轨道，那是物质在黑洞进入黑洞之前绕着黑洞运动的最里面的轨道。