Space

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Across
  1. 4. Sputnik
  2. 6. "planet"
  3. 9. Station
  4. 10. sphere
Down
  1. 1. Pocket
  2. 2. milky
  3. 3. flaming ball
  4. 5. rocky
  5. 7. belt, tight fit
  6. 8. hole, Vortex