Across
- 5. the thing has nothing to do with planets
- 7. the explosion of 3 makes this
- 8. the earliest stage of a stars life
- 10. the first one was discovered in 1967
Down
- 1. the blue-white core of a star
- 2. where stars are born
- 3. bigger then number three
- 4. number 1 turns into this after it stops glowing
- 6. a place in space where gravity sucks everything in
- 9. it has a bright reddish glow