History of Astronomer Puzzle

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Across
  1. 2. Equal but opposite reactions describes part of Newton’s ___________ Law
  2. 4. Around 750 BC, Mayans tracked the skies and recorded this information in these tables.
  3. 7. This astronomer collected data of positions of planets and was able to accurately predict positions without a telescope
  4. 8. The Earth is the center of the universe is a hallmark of this model
  5. 10. This astronomer developed a model that showed planets orbit the sun in perfect circles.
  6. 11. This ancient astronomer was a large believer of the geocentric model.
  7. 13. Newton discovered the Universal Law of ____________
  8. 14. One piece of evidence supporting the Heliocentric model was the observation of these orbiting Jupiter
Down
  1. 1. Copernicus’ model was not completely accurate as he placed the planets in perfect circular orbits. However, we know that the orbits of planets is actually ___________.
  2. 3. This astronomer discovered four of Jupiter’s moons among other phenomena using a telescope
  3. 5. The model that shows the Sun as the center of the universe
  4. 6. This astronomer worked with Brahe and determined the elliptical motion of planets.
  5. 9. This astronomer developed the three laws of motion while also inventing calculus
  6. 12. This astronomer of Greece calculated the size of Earth with good accuracy around 200 BC.