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Greek, geocentric,math , length of life
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Solar system, astronomy, greek philosophy
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italian, earth isn't center of universe
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super nova, measurement, compton, casikia
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solar system, , elliptical orbit around sun
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gravity, newton laws, reflecting telescope, 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.