Our Solar System

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Across
  1. 3. any of numerous small celestial bodies that may have existed at an early stage of the development of the solar system
  2. 6. a doughnut-shaped region of icy objects beyond the orbit of Neptune
  3. 11. a solid piece of debris from an object
  4. 12. Earth like planets made up of rocks or metals with a hard surface
  5. 13. dust grains to small asteroids
  6. 14. Earth passes through the path of a comet
  7. 15. some noticeable deviation in behavior, style, or manner from what is normal or expected
  8. 16. a region of space between the orbits of Mars and Jupiter where most of the asteroids in our Solar System are found orbiting the Sun
  9. 17. the main constituent of gas giant planets
Down
  1. 1. large planet mostly composed of helium and/or hydrogen
  2. 2. ice planets for example pluto
  3. 4. a closed-plane curve that results from the intersection of a plane cutting through a cone
  4. 5. orbits the sun and has a long "tail" of gas
  5. 7. a line of cliffs formed by the faulting or fracturing of the earth's crust
  6. 8. the distance from a star that allows liquid water to persist on its surface
  7. 9. the orbital motion of a spatial body in a direction that is opposite of what is normal in a given system
  8. 10. the mean distance between the center of the Earth and the center of the sun
  9. 11. streak of light to appear in the sky