galaxies

123456789101112
Across
  1. 3. The initial explosion that resulted in the formation and expansion of the universe
  2. 5. blue white core that is left behind cools
  3. 6. the accurate scale of the entire solar system
  4. 8. Brilliant explosion of a dying supergaint star
  5. 11. brightness as seen from earth
  6. 12. a group of single stars
Down
  1. 1. a distance a light travels in one year
  2. 2. Large telescopes have spectrographs to analyze light
  3. 4. brightness the star would have if it were at and stranded distance from earth
  4. 7. all of space and everything in it
  5. 9. A contacting cloud of gas and dust enough mass to form a star
  6. 10. large cloud of gas and dust containing immense volume of materials