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Copernicus, Kepler, Galileo, Newton
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Copernicus, Kepler, Galileo, Newton

Copernicus, Kepler, Galileo, Newton

Slide 2

How did we Discover the Earth is Round? Traditional: as a ship sails away, the hull diasppears below the horizon before the sails

How did we Discover the Earth is Round?

Traditional: as a ship sails away, the hull diasppears below the horizon before the sails

Problem: ancient ships were so tiny they would be mere specks on the horizon.

More likely: someone on a ship saw the land come into view

e Earth is Round?

Slide 3

How did we Disco Other possibilities: storm clouds with bases below the horizon

How did we Disco

Other possibilities: storm clouds with bases below the horizon

Why is there a horizon at all? Why cant we just see forever?

Contrary to myth, the knowledge of a round earth was never, NEVER forgotten during the Middle Ages

ver the Earth is Round?

Slide 4

Constellations and Culture

Constellations and Culture

Slide 5

A Myth in the Autumn Sky

A Myth in the Autumn Sky

Slide 6

A Portion of the Northern Sky

A Portion of the Northern Sky

Slide 7

The Northern Cross

The Northern Cross

Slide 8

The Traditional Constellation

The Traditional Constellation

Slide 9

The Southern Cross

The Southern Cross

Slide 10

A Star Map

A Star Map

Slide 11

A Star Map

Slide 12

Chinese Constellations

Chinese Constellations

Slide 13

The Inca Dark Constellations

The Inca Dark Constellations

Slide 14

Copernicus: Precursory eventsThomas Aquinas reconciles Aristotelian Philosophy with Christianity.

Copernicus: Precursory eventsThomas Aquinas reconciles Aristotelian Philosophy with Christianity.

King Alfonso the Wise of Castile publishes Alfonsine tables, based on Ptolemaic System, late 1200's.

Concept of "Law of Nature" arises from medieval theology and philosophy.

Ideal motion thought to be perfectly circular in heavens, rectilinear on earth.

Slide 15

Immediate SettingPrinting invented 1457.

Immediate SettingPrinting invented 1457.

Michelangelo, 1475-1564.

Luther, 1483-1546.

Protestant Reformation begins ca. 1520.

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