SPACE

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Across
  1. 2. - Space rock entering the atmosphere
  2. 4. - Center of our solar system
  3. 5. - Launches into space
  4. 7. - Space explorer
  5. 8. - Orbits the sun
  6. 9. - Vast system of stars
Down
  1. 1. - Icy space traveler
  2. 3. - Earth's natural satellite
  3. 4. - Shiny point in the sky
  4. 6. - Orbits a celestial body