Across
- 4. big hot fiery ball of gas in space
- 6. loud bang or pop
- 10. a person who goes to space
- 11. cloud of dust or gas in space
- 12. going around the sun
- 15. a place not on earth no air no sound
Down
- 1. the start of everything coming from an explosion
- 2. where every things stars
- 3. where life is habitable
- 5. second planet from the sun
- 7. other places like the earth
- 8. a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
- 9. National Aeronautics and Space Administration
- 13. possibly true possible not true
- 14. a floating big rock in space