Across
- 3. Young Hot stars in arms, Geezers at centre
- 8. Collapsed neutron star;no light escapes (2 words)
- 11. Hydrogen to helium (2 words)
- 12. Dead core of a big star
- 13. as bread rises raisins move (3 words)
- 14. all Old stars, Oval
- 15. 6 trillion miles (2 words)
- 16. Loop of gas
- 18. Start of expansion (2 words)
- 19. Apparent shift (2 words)
Down
- 1. Tells us Galaxies are moving (2 words)
- 2. Stream of gas (2 words)
- 4. hottest part o' atmosphere
- 5. Bright center of a distant galaxy
- 6. Cool area of star
- 7. Small, No shape
- 9. Warm rises, cool sinks
- 10. squeezing atoms together
- 17. Cloud of gas + Dust