Across
- 5. A harbinger of doom
- 7. The Water of Life
- 10. Person who determined Heliocentric solar system with CIRCULAR orbits of planets
- 14. A modern day Elixir of Life using Sassafras root
- 15. This religion punished Galileo
- 17. Stone that holds the Elixir of Life
- 19. Predicted the return of his comet
- 20. Missing his nose, but his observations of Mars were critical to others
Down
- 1. Equal and ____________ reaction (law of motion)
- 2. Latin term for an Earth centered solar system
- 3. A body at _________ has a tendency to stay motionless
- 4. Modern day Elixir of Life
- 6. Many periodic comets come from this region of the Solar System
- 8. Person who determined planet orbits were ELLIPSES
- 9. Planet responsible for protecting Earth from many comet collisions
- 11. Math invented by Newton to predict locations of planets
- 12. A comet that returns regularly is called a ________ comet
- 13. Turning worthless metal into gold
- 16. Adds the concept of Gravity to exactly order the movement of Solar System objects
- 18. Committed Heresy by turning a telescope to the heavens