The orbiter is the part of the shuttle that looks like an airplane.

The orbiter will continue to explore Saturn and its moons for four more year.

人造卫星会在后四年继续探索土星及它的卫星.

a lunar orbiter

环月轨道器

Orbiting around the nucleus are even smaller particles called electrons.

围绕原子核旋转的更小的微粒成为电子.

The spacecraft is orbiting the moon.

宇宙飞船正绕月球飞行.

First Picture of Alien Planet Orbiting Sunlike Star?

首张绕类日恒星运转的行星照片?

The plane is orbiting over the field, waiting for the signal to land.

飞机在绕机场盘旋, 等待降落的信号.

A new planet was recently discovered orbiting a nearby star.

发现新行星绕邻近星体运行.

How many spacecrafts are orbiting the moon?

有多少航天器绕月球轨道飞行?

Let's pretend we're on the spaceship orbiting round the earth!

让我们假装是在沿轨道绕地球运转的宇宙飞船上!

The satellite is orbiting around the earth.

卫星正绕着地球轨道运行.

Finding planets orbiting Barnards Star would increase our confidence that planetary systems are common.

对环绕巴纳德里旋转的行星的发现将会增强我们认为行星系是普遍存在的信念.

Twenty incoming flights were stacked up overhead, and orbiting.

仍然有二十架已经飞进来的班机积压在上空, 在轨道上盘旋.

Galaxies as a rule associate into orbiting clusters and groups.

星系通常围着(系)簇或群组而轨道绕行.

The orbits of such faint asteroids are not yet known.

但是对于这样暗的小行星的轨道,迄今尚未弄清.

In fact, the body movement orbits is round as well.

事实上, 身体的运动轨迹也是圆的.

The orbits around the Earth are too valuable to let this happen.

宝贵地球轨道资源,不允许这种事发生.

This classification is the analogy of our previous picture of stable orbits.

这种区分类似于前面的稳定轨道图形.

All the orbits lie nearly in the same plane.

所有物体的轨道几乎都在同一平面上.

Mars, Venus and the other planets move in eccentric orbits.

火星 、 金星及其他行星沿不正圆的轨道运行.

They spin like fiery planets lots from their orbits.

他们象离开了轨道,冒着火的星球那样旋转.