1·The two spacecraft will link up in orbit.
两艘宇宙飞船将在轨道上对接。
—— 《牛津词典》
2·As the cost of getting your own satellite in orbit drops sharply, the risks of irresponsible use grow.
随着将自己的卫星送入轨道的成本大幅下降，不负责任使用卫星的风险也随之增加。
3·However, as the cost of getting your own satellite in orbit drops sharply, the risks of irresponsible use grow.
然而，随着将自己的卫星送入轨道的成本大幅下降，不负责任使用卫星的风险也在增加。
4·As an organization of volunteers, AMSAT was putting "amateur" satellites in orbit decades before the current CubeSat craze.
作为一个志愿者组织，国际业余卫星组织在当前立方体卫星热潮之前的几十年前就在将“业余”卫星送入轨道。
5·As an organization of volunteers, AMSAT was putting "amateur" satellites in orbit decades before the current Cube Sat craze.
作为一个志愿者组织，业余卫星组织将“业余”卫星送入轨道的时间比现在的立方体卫星热潮早了几十年。
6·It might seem surprising to think about an item staying in space for that long, but the oldest satellite still in orbit—Vanguard 1—turned 60 in 2018.
想到一件物品在太空中停留那么久似乎令人惊讶，但目前仍在轨道上的最古老的卫星——先锋1号——在2018已年满60岁。
7·For instance, a research group here at Arizona State University recently claimed their developmental small Cube Sats could cost as little as $3,000 to put in orbit.
例如，亚利桑那州立大学的一个研究小组最近声称，他们开发的小型立方体卫星进入轨道的成本可能只有3000美元。
8·Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。
9·For instance, a research group here at Arizona State University recently claimed their developmental small CubeSats could cost as little as $3,000 to put in orbit.
例如，亚利桑那州立大学的一个研究小组最近称，只需3000美元就能把他们开发的小型立方体卫星送入轨道。
10·What about other big things still in orbit?
如果还有些大东西还在轨道上运行呢？