space conquest

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Across
  1. 2. Our own planet
  2. 4. Natural satellit of the Earth
  3. 6. Body gravitating around a planet
  4. 7. Attraction of bodies between them
  5. 9. Person who goes into space
Down
  1. 1. Celestial body which gravitating around a star
  2. 3. Ship used to go into space
  3. 5. This is our galaxy
  4. 6. Celestial body like the sun
  5. 8. Assembly of many solar systems
  6. 9. The star of the solar system