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he thought the sun was the center of the universe, he destroyed the belief that the earth was the center of the universe -
invented irange cgicjen -
he had very many thoughts about the stars -
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hde inveny gravity
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.