The Scientific Revolution and the Age of Exploration
AdvancedThe Renaissance spirit reached the sky and the sea: Copernicus proposed heliocentrism in 1543 and Newton completed it with gravity in 1687 — the scientific method was born. Portugal and Spain opened ocean routes: Columbus reached the Americas in 1492, Magellan's fleet circled the globe by 1522 — the world connected.
- Copernicus 1543 → Galileo tried 1633 → Newton's Principia 1687
- Dias 1488 → Columbus 1492 → da Gama 1498 → Magellan's fleet around the world 1522
- Shared engine: humanism + printing + navigation + capital — the world joined as one
§Text Passage
1In 1543, as he lay dying, Copernicus published On the Revolutions of the Heavenly Spheres, placing the earth and planets in orbit around the sun against ancient authority; the same year Vesalius' On the Fabric of the Human Body corrected many of Galen's errors through his own dissections. Two books in one year, both challenging authority with first-hand observation — later ages took them as the opening of the Scientific Revolution.
2In 1609 Kepler proved the planets move in ellipses; Galileo's telescope revealed Jupiter's moons and the moon's craters, showing the heavens were not flawless — yet in 1633 he was tried by the Inquisition and sentenced to house arrest for life. In 1687 Newton's Principia proved universal gravitation by mathematics, one set of laws for heavens and earth; with Bacon's experiments and Descartes' reasoning the scientific method took shape, and the Royal Society, founded in 1660, made research institutional.
3The Age of Exploration unfolded at the same time. Portugal's Prince Henry sponsored the probing of Africa's west coast for years; Dias rounded the Cape of Good Hope in 1488 and da Gama reached Calicut in India in 1498, opening the direct sea route to the spices of the east. Spain's Columbus crossed the Atlantic to the Bahamas in 1492, and Magellan's fleet, leaving in 1519, completed the first circumnavigation under the survivor Elcano in 1522, proving the earth was round.
4The new sea lanes were also lanes of conquest: Cortés and Pizarro toppled the Aztec and Inca empires in turn, native populations collapsed under disease and war, and the Atlantic slave trade swelled. American silver crossed the Pacific to China, maize and potatoes spread across the old world, and a truly global trading web took shape. Humanism encouraged questioning authority, printing spread new knowledge at speed, and what travellers saw with their own eyes proved stronger than old books — together these forces ended the medieval worldview and pushed Europe onto the world stage.
1Summary 重點摘要
The Renaissance spirit reached the sky and the sea: Copernicus proposed heliocentrism in 1543 and Newton completed it with gravity in 1687 — the scientific method was born. Portugal and Spain opened ocean routes: Columbus reached the Americas in 1492, Magellan's fleet circled the globe by 1522 — the world connected.
2Vocabulary cards Vocabulary
The sun-centred cosmos: proposed by Copernicus in 1543, backed by Galileo's observations, completed by Newton's theory.
Observe → hypothesise → experiment → revise: a procedure letting knowledge build up and be overturned by evidence.
The 15th-century Portuguese oceangoing ship — light, fast, able to sail into the wind — key to the Age of Exploration.
After 1492, the transfer of crops, animals and diseases between hemispheres: the Americas gave potatoes, maize and tomatoes; the old world sent wheat, horses and smallpox.
Magellan's 1519 expedition, finished by Elcano with one surviving ship in 1522 — first proof the globe could be sailed around.
The ancient belief that the earth sat at the centre of the universe with sun and stars circling it — gradually replaced after heliocentrism was proposed in 1543.
Invented by a Dutch craftsman in 1608; Galileo improved it and was the first to turn it systematically on the sky, seeing Jupiter's moons and the moon's craters.
The headland at Africa's southern tip; Dias rounded it in 1488, opening the sea route towards India.
3Step by step Steps
- 1543: the cosmos turned overDying, Copernicus published On the Revolutions, putting the earth and planets in orbit round the sun against Ptolemy's geocentrism. The same year Vesalius' On the Fabric of the Human Body corrected ancient Galen by dissection — two books in one year, the Scientific Revolution's opening.
- 1609–1633: Galileo and his trialKepler proved the planets move in ellipses (1609); Galileo's telescope showed Jupiter's moons and the moon's craters — the heavens were no perfect crystal sphere. His Dialogue backed Copernicus (1632); the Inquisition tried him in 1633 and he spent his last years under house arrest — the famous clash of science and authority.
- 1687: Newton seals itThe Principia Mathematica proved universal gravitation by mathematics: one set of laws for heavens and earth. With Bacon's induction and Descartes' deduction the scientific method took shape, and the Royal Society (founded 1660) institutionalised research.
- 1488–1498: Portugal's eastern routePrince Henry the Navigator sponsored exploring Africa's west coast; Dias rounded the Cape of Good Hope in 1488; da Gama reached Calicut, India, in 1498 — the spice trade shifted from land to sea, and Lisbon became Europe's spice capital.
- 1492–1522: Spain and the globeColumbus sailed west with three ships and reached the Bahamas in 1492 (dying convinced it was Asia); Magellan's fleet left in 1519 and Elcano completed the first circumnavigation in 1522. The 1494 Treaty of Tordesillas divided the world between Spain and Portugal; colonial empires and the Atlantic slave trade began — page one of globalisation.
- The other face: conquest and exchangeThe sea lanes were also lanes of conquest: in 1519–1521 Cortés, aided by smallpox and native allies, toppled the Aztec capital; in 1532–1533 Pizarro struck the Inca and captured and killed the emperor Atahualpa. Native populations collapsed under disease and the Atlantic slave trade swelled; American silver (Potosí among it) crossed the Pacific by galleon to China — a truly global trading web took shape.
4Diagrams Diagrams
5Worked example Example
Example: why did the Scientific Revolution and the Age of Exploration appear together in the 15th–17th centuries? Find the drivers they shared.
- Shared driver 1: Renaissance humanism encouraged questioning ancient authority, supplying the courage to overturn old teachings and seek the unknown.
- Shared driver 2: printing copied star charts, maps, travel accounts and new theories in quantity, spreading new knowledge at unprecedented speed.
- Shared driver 3: accumulated technique — telescopes and instruments for observation; compass, astrolabe and ocean-going ships for voyaging.
- Shared driver 4: merchant capital was willing to fund long voyages and research, giving both movements economic backing.
- Feedback: the species and peoples of the New World appeared in no ancient book, shaking classical authority and strengthening trust in first-hand observation — which in turn fed the scientific method.
- Answer: Both movements ran on the same drivers: humanism supplied the courage to question authority, printing supplied speed, and technique with merchant capital supplied tools and funds. What the voyages brought back — peoples, species and lands unknown to the ancients — in turn reinforced the belief that seeing for oneself beats citing old books. Point out the shared engine of 'question authority, verify by observation', and it becomes clear why the two movements exploded at once and fed each other.
6Common mistakes Mistakes
7Quick check Quick check
Q1What did Copernicus publish and in what year, and what did it claim?
Q2Which three voyages rounded the Cape, reached India, and circled the globe?
Q3Name two crops that crossed from the Americas to the old world in the Columbian Exchange.
Q4What did Galileo see through his telescope that supported heliocentrism?
Q5What did Newton publish and in what year, and how did it unite the motions of heaven and earth?
8Recap Recap
- Copernicus 1543 → Galileo tried 1633 → Newton's Principia 1687
- Dias 1488 → Columbus 1492 → da Gama 1498 → Magellan's fleet around the world 1522
- Shared engine: humanism + printing + navigation + capital — the world joined as one
- Experiment and mathematics replaced blind authority; the Royal Society (founded 1660) institutionalised research
- The voyages brought silver, maize and potatoes — but also colonisation, the slave trade and disease