Scientific Revolution Crossword Puzzle

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Across
  1. 3. Someone who studies astrology and uses it to tell people how they believe it will affect their live
  2. 5. The combining of elements to form a pleasing whole
  3. 8. French philosopher and mathematician known for "I think theory therefore I am" (last name)
  4. 11. Furthest planet, not a dwarf planet, from the sun
  5. 14. Theory that sun is in the middle of the solar system
  6. 16. Spanish explorer in North America
  7. 17. Used to measure angles of stars above the horizon to help sailors
  8. 19. __________ model that believed the earth was at the center of the solar system
  9. 20. Planet closest to the sun
Down
  1. 1. Italian astronomer and mathematician that first used the telescope to study stars
  2. 2. German mathematician, astrologer and astronomer
  3. 4. Biggest star in the solar system
  4. 6. Physicist and mathematician, key figure in the scientific revolution (last name)
  5. 7. Created the scientific method
  6. 9. Planet with human life
  7. 10. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
  8. 12. Contains a vast number of galaxies
  9. 13. A optical instrument designed to make distant objects appear nearer
  10. 15. Creator of heliocentrism (last name)
  11. 18. Planet with 7 rings