Space

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Across
  1. 2. The only planet that supports life
  2. 4. The planet that is too small to be a planet.
  3. 7. Everything that exists - planets, stars, dust, gases, and energy.
  4. 9. A rock that orbits a planet
  5. 10. the distant light travels in an earth year.
Down
  1. 1. The hottest planet
  2. 3. the planets are mostly made of gas
  3. 5. The path an object in space takes as it revolves around another body.
  4. 6. The planets that are mostly made up of rock
  5. 8. a ball of gas held together gravity