Across
- 2. Huge group of stars (Single)
- 4. Active young galaxies with black holes(MID)
- 6. Two or more stars in a group
- 8. One of the variations of a big star
- 9. Cloud of dust and gas
- 10. 1/2 bad evolutions of the supernova
- 11. Round or plattened balls, old stars only
- 13. Result of high mass stars
- 14. 1/2 good final evolutions of a supernova
Down
- 1. One of the variations of a small star
- 3. No regular shapes, has bright young stars
- 5. Result of Red Supergiant
- 7. result of low mass stars
- 9. what happens from heat and denseness.
- 12. final evolution of red giant stars