Across
- 2. layers of gas that surround planets
- 5. the biggest planet in our solar system
- 6. known as the "Red Planet"
- 8. a cloud of dust and gas in space
- 9. Famous planet for its rings
- 10. groups of stars
- 14. a person that studies space
- 15. earths nature satellite
- 17. The planet closest to the sun
- 18. name of our solar system
- 19. Saturn has ______ moons (expanded form)
- 21. the centre of our solar system
Down
- 1. a usually tubular optical instrument for viewing things far away
- 3. a person that goes into space
- 4. Neil _______. The first man on the moon
- 7. The planet we live on
- 11. furthest planet from the sun
- 12. _______ space station is a habitable satellite station
- 13. closest to earth in size
- 16. a path an object takes while in space
- 20. ______ Gagarin. The first man in space