| 1 | There are many satellites flying in space. | |
| 2 | Our goal is to send the rocket into space. | |
| 3 | He is a scientist who is passionate about exploring space. | |
| 4 | After the rocket is launched, it will send the satellite into space. | |
| 5 | Astronauts need to live for long periods of time in the spacecraft. |
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