SPACE

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Across
  1. 3. This large object orbits our planet.
  2. 6. A group of planets and moons including Earth that orbits the sun.
  3. 7. A large piece of rock/dust/ice that forms in the inner part of the solar system.
  4. 9. A large collection of stars, planets, moons, and space debris.
Down
  1. 1. A device used to observe planets and other things in space.
  2. 2. A large object made of rock or dust that circles the outer part of the solar system.
  3. 4. To do this is to circle around a certain thing.
  4. 5. This is a person who is trained to fly spacecraft and explore space.
  5. 8. This large star is what our planet and others orbit around.