Space

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Across
  1. 1. A place that has no particles in it
  2. 3. An large object that orbits the Sun
  3. 4. A natural body (usually rock) that orbits a planet
  4. 5. Icy chunks that travel through the solar system
  5. 7. The name of the moon that orbits the Earth
  6. 9. Small pieces of meteors that land on Earth
  7. 12. The surface and soil of the world we live on
Down
  1. 2. Pieces of rock that orbit the Sun
  2. 4. ~1m pieces of rock that orbit the Sun
  3. 6. The name of the star in our solar system
  4. 8. A ball of matter in space that emits light
  5. 10. The planet that we live on
  6. 11. Millions of stars and their solar systems