Across
- 1. The unit of measurement used to measure how long it takes for a star’s light to reach planet earth. 5,5
- 4. The dwarf planet after Neptune. 5
- 8. The first man to walk on the moon. 4,8
- 11. The city that Britain's national space centre is in. 9
- 12. The number of planets (excluding dwarf planets) in our solar system. 5
Down
- 2. The second closest gas giant to the sun. 6
- 3. The second closest individual star to earth. 7,8
- 5. The number of moons mercury has. 4
- 6. The ring of rocks that orbit the sun between mars and Jupiter. 9,4
- 7. The number of moons mars has. 3
- 9. The closest dwarf planet to earth. 5
- 10. The number of planets in our solar system (including dwarf planets). 8
