Astronomy #2 crossword

Edit Answers
12345678910111213141516171819
Across
  1. 3. a region in space where gravity is so strong that light can't escape it
  2. 4. an instrument using optic magnification of objects in the sky
  3. 7. a dirty snowball comprised of ice and rock material traveling through space
  4. 9. theory concerning the origin of our universe
  5. 12. a bright massive ball of gas located within galaxies
  6. 14. a powerful and luminous stellar explosion
  7. 16. the study of the formation and composition of planets
  8. 17. neighboring galaxy to the milky way galaxy
  9. 18. a planet outside of our solar system
  10. 19. the universe as an ordered whole system
Down
  1. 1. a group of stars that form a pattern in the sky
  2. 2. two stars that orbit each other
  3. 5. the distance light travels in one year
  4. 6. the galaxy we live in
  5. 8. a streak of light caused by small pieces of rock and debris entering earth's atmosphere
  6. 10. cloud of dust and gas where stars are born
  7. 11. everything that exists
  8. 13. a huge collection of gas, dust and billions of stars
  9. 15. the scientific study of celestial objects
  10. 16. a facility where the night sky is projected out of a dome