Across
- 1. An opinion contrary to the beliefs or other opinions of Orthodox religions (Galileo was put on trial for this)
- 4. Galileo Galilei was the first person to study the sky using this
- 6. Known as the father of modern science
- 8. Wrote on the Revolutions of Celestial Spheres
- 9. Known for his three laws of motion
- 10. A theory that Observed the Earth in the middle of the universe
Down
- 2. Step-by-step method for conducting research
- 3. Observed that planetary orbits were eliptical
- 5. Newton invented this
- 7. A theory that Observed the sun in the center of the solar system