Across
- 2. hole_Collapsed neutron star, no light escapes
- 4. star-Collapsed core of a high mass star
- 5. Galaxy-swirl
- 7. Squeezing atoms together
- 8. bang- Start of expansion
- 9. effect- tells us galaxies are moving away
- 12. The hottest layer of the atmosphere
- 14. Cooler areas on surface
- 15. year0 9 trillion miles
Down
- 1. sequence- fusion if H2 and He
- 2. dough theory-The raisins spread apart as the bread rises
- 3. wind- Steam of charged particles
- 6. Loop of gas
- 10. of gas and dust
- 11. shift
- 13. Warm rises, cool sinks