Across
- 2. Believed to control earths tides and shines bright at night.
- 4. Second largest planet in the solar system with one big ring.
- 5. Distance of travelling time in space.
- 6. Force pulling together all matter.
- 9. A combination of land and water where humans and animals live.
- 10. The hottest star in the solar system.
Down
- 1. Sun is the centre of this. Full of planets and comets.
- 3. A planet that is closest to the sun.
- 7. Used to get too and from space
- 8. Unknown species believed to be in space but no evidence of existence.