spacee

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Across
  1. 5. the fifth planet in our solar system
  2. 7. Area of space that contains as many as several thousand galaxies
  3. 9. Estimated number of galaxies in the universe(it has to be a word not a number)
  4. 10. A large celestial body that is composed of gas and emits light
  5. 12. second plant in our solar system
  6. 15. The four planets that orbit closest to our sun
  7. 17. small galaxy consisting of as few as 100 million stars
  8. 20. fourth planet our solar system
  9. 21. Space and all matter and energy in it
  10. 22. a galaxy we live on
  11. 24. The four planets that orbit farthest from the sun
  12. 25. Look like spheres or ovals, and they do not have spiral arms
  13. 26. The process that produces energy in stars
Down
  1. 1. Area of space that contains as many as ten or more clusters of galaxies
  2. 2. Number of planets that orbit our sun
  3. 3. a central bulge from which two or more spiral arms extend
  4. 4. Small bodies that orbit planets
  5. 6. the eight planet in our solar system
  6. 8. the six planet in our solar system
  7. 11. A large collection of stars, gas, and dust that is held together by gravity
  8. 13. a planet that we live on
  9. 14. A spherical body that orbits the sun
  10. 16. The collection of large and small bodies that orbit our central star
  11. 18. Appear as splotchy, irregularly shaped blobs and Very active areas of star formation
  12. 19. Area of space where very little matter exists
  13. 20. a planet that is close to the sun
  14. 23. The distance that light travels through space in 1 year
  15. 27. the seventh planet in our solar system