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384 BCE
Aristotle is born
was born in Greece -
Period: 367 BCE to 347 BCE
Aristotle moves to Athens and stays at Plato's Academy for 20 years
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357 BCE
Aristotle Observes a Lunar obstruction
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Period: 349 BCE to 344 BCE
Philipp of Macedonia starts subjugating Greek states. Resentment of Athenians against Macedonia
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Period: 345 BCE to 344 BCE
Aristotle and Theophrastus travel to Lesbos. Aristotle marries Pythias, Hermias’ daughter
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335 BCE
Aristotle Established the Lyceum
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322 BCE
Aristotle dies
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310 BCE
aristarchus of samos is born
he was the first to suggest that the Earth revolves on an axis and moves around the sun.
He used Euclid's geometric theories, and his own, to do his calculations. -
276 BCE
Eratosthenes is born
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240 BCE
Eratosthenes characterizes Earth and discovers Earth's tilt
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240 BCE
Eratosthenes calculates the circumference of the Earth
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236 BCE
Eratosthenes becomes chief librarian of the Library of Alexandria
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224 BCE
aristarchus of samos dies
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192 BCE
Eratosthenes dies
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100
Ptolemy is born
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127
Ptolemy begins observation of the stars
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141
Ptomely ends observation of the stars
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150
Ptomely writes the Almagest
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170
Ptolemy dies
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Aug 10, 787
Abu Ma'shar al-Balkhi is born
Abu Ma’shar al-Balkhi was a very productive author and is said to have written over 50 books. In medieval Europe he was considered the most important Iranian astrologer, with great influence on the genesis of the medieval astrological world view. Abu Ma’shar al-Balkhi’s introduction to astrology also received many translations to Latin and Greek starting from the 11th-century. -
Mar 9, 886
Abu Ma'shar al-Balkhi dies
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Feb 19, 1473
Nicolaus Copernicus is born
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Mar 9, 1497
First known observation of Nicolaus Copernicus
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1514
Nicolaus Copernicus publishes his heliocentric model
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May 24, 1543
Nicolaus Copernicus dies
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May 24, 1543
Nicolaus Copernicus publishes On the Revolution of the Heavenly Spheres
Nicolaus Copernicus dedicated this book to Pope Paul III and published the book as he lay on his deathbed. -
Dec 14, 1546
Tycho Brahe is born
was born in Denmark -
Feb 15, 1564
Galileo Galilei is born
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Dec 27, 1571
Johannes Kepler is born
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Nov 11, 1572
Tycho Brahe observes new star
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Johannes Kepler begins attending the University of Tübingen
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Johannes Kepler obtains his Bachelor's Degree
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Johannes Kepler gets his Master's Degree
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Johannes Kepler is asked to go to the Lutheran high school in Graz, Austria
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Johannes Kepler proposes his ideas in a book called Cosmic Mystery
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Johannes Kepler joined Tycho Brahe at his observatory in Prague
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Johannes Kepler published a book that rejected the superstitious view that the stars guide the lives of human beings
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Tycho Brahe dies
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Johannes Kepler releases the second law of planetary motion
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Johannes Kepler published Ad Vitellionem Paralipomena, Quibus Astronomiae Pars Optica Traditur (Supplement to Witelo, in Which Is Expounded the Optical Part of Astronomy)
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Johannes Kepler publishes the first law of planetary motion
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Johannes Kepler publishes Astronomia Nova
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Johannes Kepler publishes Stereometria Dolorium
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Johannes Kepler publishes the third law of planetary motion
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Johannes Kepler dies
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Galileo Galilei dies
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Isaac Newton is born
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Isaac Newton goes to study at Cambridge University
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Period: to
Bubonic Plague
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Isaac Newton is made Professor of Mathematics at Cambridge University
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Issac Newton publishes Principia which outlines his 3 laws of motion and his law of gravitation
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Isaac Newton knighted
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Isaac Newton dies