Across
- 3. Is a space probe
- 6. Where astronauts live
- 7. Presence matter in a football
- 8. Water
- 11. The planet we live on
- 13. Can either be planetary or stellar
- 14. North star
- 16. A tendency to do nothing or remain unchanged
- 17. death of a massive star
- 18. The force that holds gases in the sun
- 21. 6 trillion miles
Down
- 1. An hour and a half
- 2. Stars put together to make a figure in the sky
- 4. Donut shaped ring in the sky that orbits the sun
- 5. Is an irregular galaxy
- 8. Very famous telescope in space
- 9. Machine we used in space
- 10. The universe we are in
- 12. A triple star system
- 15. The earth ____ around the sun
- 18. Milky way
- 19. There is many in the universe
- 20. The sun is a ____