Across
- 2. helped expand the idea of the Geocentric Theory
- 3. of Universal Gravity explained how the same physical laws governed motion both on earth and in the heavens.
- 5. Kepler the assistant to Tycho Brahe
- 7. method a logical procedure for gathering and testing ideas.
- 8. Theory the sun is the center of the universe
- 9. Newton helped to bring together Copernicus and Kepler breakthroughs under a single theory of motion.
Down
- 1. built a telescope in 1609 as a kid
- 4. Theory the theory that the earth is the center of the universe
- 6. created the original heliocentric theory