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maps revolve earth geocentric solar system
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discovered the sun is in the middle
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everything around the sun and earth everything around the sun and earth
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improvements telescope hydrostatic balance small
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made good laws for planetary motion
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invented the amazingly amazing first telescope
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.