| A | B |
|---|
| Pythagorus | first to believe the world could be explanied using math and science. |
| Aristotle | first to beliel all planetary bobies revolved around earth. |
| Ptolemy | Took Aristotle's model and explanied some phenomenon using mathaatical princples. |
| Copernicus | European astronomer who believed that if the sun was the center of the universse,it would explain planetary movement better. |
| Galileo Galilei | teasted theories such as granety and Copernican theory of planetary movement. |
| Johannes Kepler | Elliptical orbits, planet's speed was not uniform, and he destroyed Aristotle's views. |
| Sir Isaac Newton | Stole many of the ideas of Halley and Galileo and called them his own. |
| Edmund Halley | First astronomer to calculate the orbit of a comet. |
| Albert Einstein | Physics theries helped to explain and debunk Newtonian physics. |
| Stephen Hawking | Devoted much of his life to explaining and clarifying Einstein's space-time theories. |
| Copernican view | the belief that the Sun is the center of the universe |
| Aristotle or Greek view | the belief that the Earth is the center of the universe |
