Chapter 30

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Across
  1. 2. the red planet because of the iron oxide minerals
  2. 4. is often referred to as Earth’s sister planet
  3. 6. nearly round objects in orbit around the Sun that are not satellites
  4. 8. Earth is considered the center and everything else revolves around it
  5. 9. Sand- to boulder-sized objects in the solar system
  6. 10. the largest planet
  7. 11. objects formed from material similar to the material in planets’
  8. 12. the largest and most complex ring system
  9. 14. is composed of dust and rock particles, frozen, water, methane, and ammonia
Down
  1. 1. has about 27 moons and a thin ring system
  2. 3. smallest and closest planet to the Sun
  3. 5. are planets in orbit around stars other than the Sun
  4. 7. Sun is the center of the solar system
  5. 13. Triton is the largest moon of this planet