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140
Ptolemy proposes the Geocentric Model/Theory
Ptolemy proposed the geocentric model of the solar system at around 140 AD. -
1543
Nicolaus Copernicus publishes On The Revolutions of Heavenly Spheres
Nicolaus Copernicus published On the Revolutions of Heavenly Spheres, a book about the heliocentric theory. -
1543
Andreas Vesalius publishes On the Fabric of the Human Body
Andreas Vesalius published On the Fabric of the Human Body, a book about human anatomy. -
Galileo's experiment at the Leaning Tower of Pisa
Galileo's experiment at the Leaning Tower of Pisa was dropping two spheres that had different masses off of the top of the tower. -
Francis Bacon publishes The Advancement of Learning
Francis Bacon published The Advancement of Learning, a book about scientific knowledge and the pursuit of it. -
Johannes Kepler published his Laws of Planetary Motion
Johannes Kepler published his Laws of Planetary Motion after analyzing Tycho Brahe's observations. -
Robert Hooke discovers cells
Robert Hooke discovered the first cell, which was named after him. -
Antonie van Leeuwenhoek discovers bacteria
Antonie van Leeuwenhoek discovered "protozoa."
