The Solar System

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Across
  1. 6. the curved path of an object around a star, planet, or moon
  2. 7. the smallest planet; has a thin atmosphere
  3. 9. the outer planets all have many moons and _______ orbiting around them
  4. 11. a satellite made of rock and dust that orbits a planet
  5. 13. the farthest planet from the sun; cannot be seen without a telescope
  6. 16. Saturn's rings appear to be _____________
  7. 17. orbits on its side; the farthest planet visible without a telescope
  8. 18. a huge ball of very hot matter that gives off energy
Down
  1. 1. the largest planet in our solar system; contains the most moons
  2. 2. a chunk of rock that orbits the sun
  3. 3. a ring of asteroids that orbit the sun between Mars and Jupiter
  4. 4. known for its very large rings made of ice, dust, and rock
  5. 5. a large body of matter that travels around the sun
  6. 8. a chunk of ice and dust or rock that has a stretched out orbit around the sun like a trail behind it
  7. 10. Jupiter appears to have stripes or ___________ of color
  8. 12. the gas in Uranus and Neptune's atmospheres which makes them appear blue
  9. 14. the hottest planet with an atmosphere made of thick, toxic gases
  10. 15. the only planet known to support life