Space

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Across
  1. 6. Object blocking another object
  2. 7. A system in which billions of star and dust is stored
  3. 10. A body of hot gases that radiates energy derived from themonuclear reactions
  4. 11. The attractive force between 2 objects
  5. 12. A tiny star with low tempature
  6. 13. The explosion of a gaint or supergaint star
  7. 14. All of space & everything in it
  8. 15. human inhabited planet (3rd planet from the sun)
Down
  1. 1. The distance of travel in one Earth year
  2. 2. The path an objects rotates around another object
  3. 3. A meteoriod that hit Earth's surface
  4. 4. A large cloud of gas in space, first formation of stars
  5. 5. The study of objects in space
  6. 8. Rock orbiting the sun
  7. 9. smallest planet in the solar system (1st planet from the sun)