Space CrossWord

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Across
  1. 6. /a cloud of interstellar gas and dust
  2. 7. /the revolution around a star
  3. 8. /the act of spinning on an axis
  4. 9. /the whole world
Down
  1. 1. /a body of rock or gas that revolves around a star
  2. 2. /a small body of rock that revolves around the sun
  3. 3. /the infinite space above earths atmosphere
  4. 4. /an expert in astronomy
  5. 5. /the mass orbiting earth
  6. 10. /the third planet from the sun