Space Crossword

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Across
  1. 3. The first person to use a telescope to prove that the planets revolve around the sun
  2. 6. A polish astronomer who believed the planets revolve around the sun
  3. 7. The belief that the Earth is the centre of the solar system
  4. 8. The fifth planet in the solar system
  5. 9. The solar system we live in
Down
  1. 1. An American space organisation
  2. 2. The belief that the planets revolve around the sun
  3. 4. The first planet in the solar system
  4. 5. The centre of the solar system
  5. 8. NASA's mission to Jupiter