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