*Complete the sentences with the words from the box.
| comet | universe | astronaut | meteorite | spaceline |
| spacesuit | satellite | astronomy | microgravity | spacewalk |
1. Halley’s ………………………only appears every 75 years.
2. The ………………………is bigger than we can imagine.
3. I think it would be incredibly exciting to do a ……………………….
4. We were asked to practice by scuba diving in a ……………………….
5. The government uses ………………………surveillance to track terrorists.
6. They are predicting a ………………………shower at the beginning of June.
7. ………………………is a leading company in the growing industry of space tourism.
8. We also have to experience ………………………, which is awesome but a little dizzying.
9. My dream is to become an ………………………, so I registered for the next Virgin Galactic flight.
10. To prepare for the space trip, I read lots of interesting ………………………books about stars and planets.
