Galaxies

12345678910111213141516
Across
  1. 3. kind of pattern does an elliptical galaxy form?
  2. 6. are made out of ______ and gas
  3. 7. other shape can an elliptical galaxy form?
  4. 8. holds together planets and stars.
  5. 9. amphibians shape can a galaxy be?
  6. 11. _________ matter forms a disc
  7. 12. cloud collapses to form galaxies
  8. 13. big bang happened _____ __ _____ billion years ago.
  9. 14. elongated type of galaxy
  10. 16. is a large system of stars called?
Down
  1. 1. percentage of hydrogen is in a protogalactic cloud
  2. 2. percantage pf a protogalatic cloud is heilum?
  3. 4. during the ____ _____
  4. 5. are galaxies made out of
  5. 10. do most of the stars appear in a galaxy?
  6. 15. spiral galaxay is ________ shaped