Chaldeans

Ancient Astronomers Timeline

  • 384 BCE

    Aristotle's birth

    Aristotle was born June 19, 384 BC.
  • 366 BCE

    Aristotle joins Plato's academy

    Joins Plato's academy at the age of 18 (366 BC) and stays there until he was 37 (347 BC).
  • 343 BCE

    Tutored Alexander the Great

    Aristotle tutored Alexander the Great at the request of Philip the 2nd of Macedon.
  • 322 BCE

    Aristotle's death

    Aristotle died March 7, 322 BC. He lived about 62 years.
  • 100

    Ptolemy's birth

    Ptolemy was born in Alexandria, Egypt.
  • 140

    Geocentric model

    Ptolemy created the Geocentric model.
  • 170

    Ptolemy's death

    Ptolemy died in Alexandria, Egypt. He lived about 68-70 years.
  • Feb 19, 1473

    Nicolaus Copernicus' Birth

    Nicolaus was born in Thorn, Poland.
  • 1543

    Heliocentric model

    Nicolaus created the Heliocentric model.
  • May 24, 1543

    NIcolaus' death

    Nicolaus died in Frombork, Poland. He lived to about 70 years old.
  • Dec 14, 1546

    Tycho Brahe's birth

    Tycho Brahe was born in Knutstorp Castle, Scania, Denmark(Sweden).
  • Feb 15, 1564

    Galileo Galilei's birth

    Galileo Galilei was born in Pisa, Duchy of Florence
  • Nov 11, 1572

    Tycho's discoveries

    Tycho Brahe discovered a light brighter than Venus, a new star as he called it.
  • 1573

    Tycho's fame

    Tycho Brahe's name became well-known in 1573, the year after he discovered the new star which we now know that it was actually a supernova.
  • Tycho Brahe's death

    Tycho Brahe died in Prague, Habsburg Bohemia, Holy Roman Empire (Czech Republic). He lived about 54 years old.
  • The telescope

    Galileo Galilei created his first telescope.
  • Galileo's discoveries

    Galileo discovered that Jupiter has 4 moons orbiting around it, and that Saturn has rings.
  • Galileo Galilei's death

    Galileo Galilei died in Arcetri, Grand Duchy of Tuscany. He lived about 77 years old.
  • Isaac Newton's birth

    Isaac Newton was born in Lincolnshire, England.
  • Period: to

    Isaac Newton's discoveries

    Isaac discovered gravity, which keeps the planets orbiting and keeps people standing on earth. He also discovered how to solve mathematical problems
  • Isaac Newton's death

    Isaac died in Kensington, England. He lived about 84 years old.