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astonomer, earth,center, geocentric, universe,center
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heliocentric, sun,center,deathbed,ideas,science
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tools, comets, atmosphere, moon, supernova, accurate.
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motion,planets,contemporary,elliptically,sky solar, system
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gravitation,law,modern, light, waves, calculus
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.