Our solar system

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Across
  1. 6. unit The average distance from earth to the sun-about 150 million km
  2. 8. A natural satellite of a planet
  3. 9. cloud Most distant region of our solar system
  4. 10. A small, rocky object that orbits the sun
  5. 11. Force by which a planets or other body draws toward its center
  6. 12. belt In a region of space located past Neptune
  7. 13. zone The distance from a star at which liquid water could exist on orbiting planet's surface
  8. 14. The star in the center of our solar system around which the planets revolve and receive light
Down
  1. 1. A small, rocky, icy object that orbits the sun
  2. 2. An objects that orbits a star that is large enough to be nearly spherical in shape and that has no other large object in its orbital path
  3. 3. planet An object that orbits a star and is nearly spherical in shape but shares its orbital with other objects of similar size but also isn't classify as a satellite
  4. 4. A small piece of matter from outer space that becomes a streak of light when it falls through earth's atmosphere and burns up
  5. 5. The spinning motion of the earth on its axis, which runs from the north pole to the south pole
  6. 7. One complete trip or a planet around the sun