Across
- 1. a suit so astronauts can survive in space
- 3. a person who controls an engine or an
- 7. the collection of eight planets and their moons in orbit round the sun
- 8. a person trained to travel in a spacecraft
- 9. a spacecraft that is driven by a rocket
Down
- 2. the point in the orbit of a planet, asteroid, or comet at which it is furthest from the sun
- 3. the planet on which we live
- 4. a system of millions or billions of stars
- 5. national aeronautics and space administration
- 6. branch of science which deals with space