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formed geocentric astronomy longitude latitude believed earth in center stars
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Heliocentric 6 planets didnt include moon sun in center
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Duel Nose lost earth stayed still geocentric
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Mathematician Astrologer Orbit Astronomer Elliptical
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Hans Lippershey Invented telescope
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Invented calculus considered to be most important smart astronomer
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.