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The Heliocentric Theory would explain why the planets would start to direct backwards across the sky. Like how Mars, Jupiter, and Saturn often appeared to start omving across the sky, but then suddenly change dirrections.
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.