Galaxies

12345678910111213141516171819
Across
  1. 2. -a galaxy with a smooth shape, looking featureless.
  2. 5. old is the milky way?
  3. 8. -how many stars are in the universe?
  4. 10. -French astronomer who identified some of the first galaxies to be seen.
  5. 13. -A galaxy that does not have distinct regular shape.
  6. 15. happens when a galaxy dies?
  7. 17. - telescope that has helped astronomers discover more information on galaxies, and help scientists know how galaxies and planets are formed.
  8. 18. irregular galaxy
  9. 19. percentage of the galaxy is seen with the naked eye?
Down
  1. 1. -One hundred thousand million stars are in the?
  2. 3. Most galaxies have this at the center of them.
  3. 4. -spiral galaxy
  4. 6. a spiral galaxy with a central bar shaped structure that contains stars.
  5. 7. galaxy–galaxies whose gravitational fields result in a disturbance of one another.
  6. 9. -barred spiral galaxy
  7. 11. the closest galaxy to the milky way
  8. 12. American astronomer who proved that objects in the sky were to be clouds of dust and gas.
  9. 14. flat rotating disk that contains stars, gas, and dust, and a central concentration of stars.
  10. 16. -elliptical galaxy
  11. 18. - what is the main thing galaxies are named after?