Translation of "Satellites" in Chinese

Where are the satellites?

那些衛星在哪裡？

It's gravity that makes satellites move around the Earth.

让卫星环绕地球的是重力。

Today our artificial satellites are revolving around the earth.

今天我们的人造卫星正在环绕地球运转。

His thesis summed up the new achievements made in computers, artificial satellites and rockets.

他的论文总结了电脑，人造卫星和火箭三个的新成就。