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Believe that the world was geosentric
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Theory that sun is in center
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earth not the center of universe
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sun and the earth in middle
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discovered principles of planetary motion,
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discovered how gravity work on earth
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.