space

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Across
  1. 4. composed of dust and rock
  2. 7. a cosmological model in which the sun is assumed to lie at or near a central point
  3. 8. a piece of rock similar to the material formed into planets
  4. 9. Planet or a machine that orbits a planet or star
  5. 10. the sun is made out of it
Down
  1. 1. a radical and pervasive change in the society and the social structure
  2. 2. pluto was defined as this
  3. 3. a space rock that is still in space
  4. 5. the orbit of Earth around the Sun
  5. 6. considered harmless