ARISTOTLE

• His views on philosophy, science, and religion
• creating models of earth and the stars
• Thinking if the earth moved the sun would change

ARISTARCHUS

• Measured distance from moon to sun
• making a heliocentric model of the solar system

PTOLEMY

• Thinking the planets revolved around earth in a circle
• his method was "wheels on wheels"
• existed for 800 years

COPERNICUS

• He thought everything revolved around the sun
• orbit moved in circles

KEPLER

• planets moved in oval shape
• They moved faster while they whereby the sun

Galileo galilei

• He created the scientific method
• created the telescope
• Found out that all the planets circle the sun

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