SPACE

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Across
  1. 3. A big ball of hot gas that shines.
  2. 4. Natural or artificial object that orbits a planet.
  3. 5. The natural satellite of Earth.
Down
  1. 1. The planet we live on.
  2. 2. The big, dark place with planets and stars.
  3. 4. The center of our solar system.