Across
- 4. The dwarf planet in our solar system.
- 5. The colour of a very hot star.
- 9. A group of stars that form a pattern.
- 12. A small rock in space.
- 13. The clouds of dust and gas that stars are made of.
Down
- 1. Explosion that occur at the end of a supergiant star's life.
- 2. The largest planet in the solar system.
- 3. A place where strong gravitational effects occur, even light can't escape it.
- 6. The name of our galaxy.
- 7. Earth-centred model of the solar system.
- 8. Sun-centred model of the solar system.
- 10. The colour of a very cool star.
- 11. The hottest planet in the solar system.