IV. Complete the words.
1. Outer s _ _ _ _ _ is the area outside the Earth’s atmosphere.
2. A space s _ _ _ is the same as a spacecraft.
3. A person who travels into space – a _ _ _ _ _ _ _ _
4. A long, thin spacecraft – r _ _ _ _ _
5. A star with a tail – c _ _ _ _
6. Something that goes around a planet. It can be natural or man-made – s _ _ _ _ _ _ _ _
7. If a spacecraft is in o _ _ _ _, it’s going around the Earth or another planet.
8. Astronauts can go and live on a space s _ _ _ _ _ _ for many months.
9. The whole space and everything in it – u _ _ _ _ _ _ _
10. A very big one hit the earth millions of years ago and killed the dinosaurs – m _ _ _ _ _ _ _ _
11. To l _ _ _ _ _ a spacecraft is to send it into space