Across
- 2. The amount of energy emitted per m2
- 6. A giant dust cloud
- 7. The final stage of a giant star's life
- 12. The process of dust particles clumping together
- 13. The distance from a star where smaller molecules can condense
- 14. Large clumps during planetary formation
- 15. The unit of distance important in absolute measurements
- 16. Moon formation by gravity
- 18. A hot ball of gas inside a nebula
- 19. The largest explosion in the universe.
Down
- 1. The balanced forces in a main sequence star
- 3. the leftover ember of a sun sized star
- 4. The stage of a star after main sequence
- 5. The colour of the hotter stars
- 8. The amount of energy emitted by a star
- 9. The first element to get fused
- 10. How the Earth's moon was formed by this method.
- 11. The largest nucleus formed by fusion
- 17. The force that compresses the gas cloud together