Across
- 4. apparent shift
- 5. loop of gas
- 6. bright center of a distant galaxy
- 9. collapsed core of a high mass star
- 10. fusion of H and he
- 12. 6 trillion miles
- 13. start of expansion
- 14. squeezing atoms together
- 17. the raisins spread apart as the bread rises
Down
- 1. tells us galaxies are moving away
- 2. cooler areas on surfaces
- 3. collapsed neutron star;no light escapes
- 7. its a spiral effect
- 8. warm rises, cool sinks
- 11. cloud of dust and gas
- 15. stream of charged particles
- 16. hottest layer of atmosphere