The universe

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Across
  1. 3. A natural satellite of Earth
  2. 6. A path that planets take around the Sun
  3. 7. The force that holds everything in space together
  4. 8. A man-made object that orbits Earth or another planet
  5. 9. A celestial body made mostly of ice and dust
Down
  1. 1. The galaxy that contains our solar system
  2. 2. A group of planets and other bodies that revolve around a star
  3. 4. The eighth planet from the sun
  4. 5. Large rock or metal object in space, found in the asteroid belt