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By 1508, Copernicus had begun developing his own celestial model, a heliocentric planetary system.
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In 1572, Brahe observed a supernova in the constellation of Cassiopeia.
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In 1604, Galileo published The Operations of the Geometrical and Military Compass, revealing his skills with experiments and practical technological applications.
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.