spacee

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Across
  1. 3. Estimated number of galaxies in the universe(it has to be a word not a number)
  2. 7. a planet that we live on
  3. 10. The four planets that orbit closest to our sun
  4. 11. a planet that is close to the sun
  5. 12. A large celestial body that is composed of gas and emits light
  6. 13. fourth planet our solar system
Down
  1. 1. A spherical body that orbits the sun
  2. 2. Space and all matter and energy in it
  3. 4. Number of planets that orbit our sun
  4. 5. The distance that light travels through space in 1 year
  5. 6. second plant in our solar system
  6. 8. The collection of large and small bodies that orbit our central star
  7. 9. A large collection of stars, gas, and dust that is held together by gravity