Across
- 6. a rock from space that burns up in Earth's atmosphere
- 7. a person who travels into space
- 10. Earth's only natural satellite
- 11. the force that pulls objects towards each other
- 12. a machine, or moon, that orbits a planet
Down
- 1. a space rock with a glowing tail
- 2. a huge ball of hot gas that shines in the sky
- 3. a fast-moving vehicle that travels into space
- 4. big round object that orbits a star
- 5. the big, bright star at the centre of our solar system
- 8. an object used to look more closely at the sky
- 9. the path a planet or moon takes around another object
- 11. a giant system of star, gas and dust