Famous Astronomers

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Across
  1. 2. - Danish nobleman astronomer
  2. 4. - Comet's return named after him
  3. 6. - Laws of planetary motion
  4. 9. - Improved the telescope
  5. 10. - "Cosmos" host and author
  6. 11. - Cataloged astronomical objects
  7. 13. - Discovered Uranus
  8. 14. - Heliocentric theory proponent
Down
  1. 1. - Geocentric universe advocate
  2. 3. - Saturn's ring discovery
  3. 4. - Expanding universe evidence
  4. 5. - Laws of motion and gravity
  5. 7. - Theory of relativity
  6. 8. - Apollo 13 mission commander
  7. 12. - Accurate celestial observations