Space

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Across
  1. 2. a large system of stars, gas, and dust held together by gravity
  2. 3. the large, gaseous planets with multiple moons and ring systems
  3. 4. one half of Earth
  4. 8. An object much smaller than a planet that orbits the Sun.
  5. 9. the small, rocky planets having few to no moons
  6. 10. a mass of hot gas that produces heat and light energy
  7. 12. a unit of measurement used to describe the distance in space
Down
  1. 1. the sun, planets, and other objects that orbit the sun
  2. 5. the spinning of an object on its axis
  3. 6. an object made of small rocks, ice, gas, and dust that orbits the Sun
  4. 7. a natural satellite that orbits a planet
  5. 8. an imaginary line around which a body rotates
  6. 11. the motion of one object around another object