Across
- 3. Infinitely dense and Infinite Gravity
- 6. Sun blocked by Earth, Moon is Red
- 8. Gas Cloud
- 10. Very dense and hot and small star
- 12. Collection of Galaxies
- 16. measures brightness and temperature to determine size/category of star
- 18. Big ball of hot gas
- 19. Large Explosion of a Star
- 20. the force of attraction between all masses in the universe
Down
- 1. Sun blocked by Moon.
- 2. Theory that the universe was in one small space and exploded
- 4. Remnant of Red Giant
- 5. Star Explosion
- 7. Rapid spinning neutron star emitting radio pulses
- 9. Very Large Explosion of a star
- 11. a small celestial body composed of rock and metal
- 13. Active Galactic Nucleus of High Luminosity
- 14. Everything with Empty Space
- 15. 9.5 Trillion kilometers in 1 year.
- 17. Collection of stars