Across
- 5. the largest planet in our solar system
- 9. no longer a planet
- 10. a group of stars
- 12. a small rocky celestial body orbiting a planet
- 13. an exploding star
- 15. gas planet with 62 moons
Down
- 1. there is none of this in space
- 2. Earth's first satellite
- 3. closest planet to the sun
- 4. planets, stars, gases and dust held together by a force
- 6. a person who studies astronomy
- 7. Hole a place so dense no light or matter can escape it
- 8. Way the name of a galaxy in our solar system
- 11. the force keeping us on Earth
- 14. a space organisation