Across
- 4. a rocket launched space craft used to make repeated journeys between Earth and space.
- 5. a celestial object consisting of a nucleus of ice and dust.
- 7. The star which the earth Orbits.
- 8. The planet on which we live.
Down
- 1. A celestial body moving in an elliptical orbit round a star.
- 2. a person who is trained to travel in a spacecraft.
- 3. The gases surrounding the earth or another planet.
- 6. Way, Our galaxy.