Across
- 3. What is the name for a star system with two stars?
- 5. What do we call rocks that hit Earth’s surface from space?
- 8. What do we call a year on another planet?
- 11. What do we call a star that suddenly explodes?
- 12. What do we call frozen balls of dust and ice that orbit the Sun?
- 14. What is the name of Earth’s natural satellite?
- 15. What are huge clouds of gas and dust where stars are born?
- 16. What type of star is our Sun?
- 17. What do we call a group of stars forming a pattern?
- 19. WAY; What galaxy do we live in?
Down
- 1. What is the largest planet in our Solar System?
- 2. What is the boundary of a black hole beyond which nothing escapes?
- 4. What protects Earth from harmful solar radiation?
- 6. What is the term for a planet outside our Solar System?
- 7. What force pulls everything toward the centre of Earth?
- 9. What force keeps planets in orbit around the Sun?
- 10. What is the hottest planet in the Solar System?
- 13. What is the centre of a black hole called?
- 18. What do we call the path a planet takes around the Sun?