Planets Crossword

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Across
  1. 5. A chunk of burning rock traveling through earth's atmosphere
  2. 7. The distance light travels in one year
  3. 9. The first stage in a star lifecycle
  4. 14. The expanding outer shell of a star to become a white dwarf
  5. 15. This is the largest planet
  6. 16. A small star with a high temperature and low brightness
  7. 17. Areas on the sun that are cooler than other place
  8. 19. The explosion of a very large star
Down
  1. 1. An object made up of ice and dust that is in space
  2. 2. A system of two stars orbiting each other
  3. 3. A huge cloud of dust and gas from which stars form from
  4. 4. A star and its planets
  5. 6. This was once a planet, but now is not
  6. 8. the final four planets
  7. 10. A large star with low temperature but high brightness
  8. 11. The method of studying and object by examining the visible light
  9. 12. The amount of light from a star that reaches earth
  10. 13. The total amount of light given off by a star
  11. 18. The large star in the center of our solar system
  12. 19. An enormous hot ball of gas