Across
- 3. squeezing atoms together
- 4. warm rises cool sinks
- 6. collapsed neutron star bo light
- 9. bright center of a distant galaxie
- 11. collapsed core of high mass star
- 14. cooler areas on surface
- 15. stream of charged particles
- 16. start of expansion
- 18. cloud of gas
- 19. apparent shift
Down
- 1. loop of gas
- 2. 9 trillion miles
- 5. tells us galaxies are moving away
- 7. fusion of h2 he
- 8. galaxy not like the others
- 10. raisins spread apart
- 12. spins
- 13. hottest layer on atmosphere
- 17. oval shaped