Across
- 2. The planet second closest to the Sun. It is named after a Roman Goddess
- 5. The system of planets including Earth
- 7. A body in orbit around a planet or moon
- 11. The dwarf planet farthest from the Sun in our Solar System
- 12. A cluster of stars
- 13. An attracting force exerted by an object with mass
- 15. An instrument to show things closer than they are
- 18. The largest planet in our Solar System
- 19. The red planet
Down
- 1. The unit of force
- 3. A huge body of gas, giving out light and heat energy
- 4. The part of the electromagnetic spectrum we can see with our eyes
- 6. A smaller ring around a point in orbit around a body
- 8. A small rocky body in orbit around a Sun
- 9. A vehicle sent to land on a planet or moon
- 10. The second largest planet in our Solar System, known for its rings
- 14. The planet closest to the sun in our Solar System
- 16. The planet on which we live
- 17. A vehicle sent to orbit a planet or moon
- 19. A natural satellite of a planet