Across
- 7. The explosion of a star
- 9. The first man on the moon
- 10. The fifth planet from the sun
- 11. The path of an object around a particular point in space, for example the path the Moon takes around the Earth
- 12. The planet with 7 prominent rings around it
- 15. The galaxy where we live
- 16. The name of the planet we live on
- 18. A jet propelled vehicle that people can use to travel to space
- 19. The nearest planet to the Sun
Down
- 1. A planet named after the Roman god of the seas
- 2. All of space and everything in it
- 3. A small rocky, metallic or icy body that orbits larger objects in the solar system. Sometimes there is a ‘field’ of them.
- 4. An instrument we use to look at objects far far away like the stars
- 5. The name of the first chimpanzee in space
- 6. The study of everything in the universe beyond Earth's atmosphere
- 8. Agency responsible for the space program in the United States of America
- 12. Our nearest star
- 13. The force which stops us from floating off into space
- 14. A dwarf planet once thought to be the 9th planet in our solar system
- 17. Name of the unmanned remote controlled vehicle used to travel on the surface of Mars