Objects of the Solar System

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Across
  1. 2. the center of the solar system
  2. 4. an oval orbit
  3. 5. a rocky object that orbits the Sun and is composed of nickel and iron
  4. 7. a meteoroid that has entered Earth's atmosphere; they are often called shooting stars
  5. 8. a stream of gas and dust that extends away from the comet's nucleus
  6. 10. a donut shaped ring beyond the orbit of Neptune
  7. 11. chunks of ice and dust that orbit the sun in an elliptical orbit
  8. 12. a common term for a comet (2 words)
Down
  1. 1. the halo of particles around a comet
  2. 2. the sun and all the celestial bodies that orbit around it (2 words)
  3. 3. a meteor that hits or lands on Earth's surface
  4. 6. the most distant region of the solar system; believed to be a giant shell of icy comet-like objects
  5. 9. the center or body of a comet