Astronomers chB w2-8

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Across
  1. 2. A Model where the Sun is in the middle of the Solar System.
  2. 5. Who invented Trigonometry?
  3. 7. Discoveries increased with the use of this tool.
  4. 8. Who died under house arrest for refuting Geocentric Model?
  5. 11. Newton discovered 3 Laws of ___.
  6. 12. Who developed 3 Laws of Planetary Motion?
Down
  1. 1. A Model where Earth is in the middle of the Solar System.
  2. 3. Who discovered the gap between Saturn's rings?
  3. 4. Who created calculus?
  4. 6. Who formulated the Geocentric Model of the Universe?
  5. 9. Ancient Astronomers used this to observe the skies.
  6. 10. Who formulated the Heliocentric Model of the Universe?