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Astronomy Timeline

  • Eratosthenes
    276

    Eratosthenes

    Born 276 BC
    Died 194 BC He was known for measuring the diameter of the earth
  • Aristarchus
    310

    Aristarchus

    Died 230 B.C
    Born 310 B.C He was the first one with the Idea that the Sun was in the center of the universe. he aslo intended to to measure the relative distance between the earth and the sun and earth anfd the moon.
  • Anaxagoras
    500

    Anaxagoras

    Died in 428 B.C He was the first plilisopher to bring philosophy from Ionia to Athens
  • Geocentric and Heliocentric
    Jan 1, 1473

    Geocentric and Heliocentric

  • Nicolaus Copernicus
    Feb 19, 1473

    Nicolaus Copernicus

    Died: May 24, 1543
    He tried to build a model of how everythings works in spay because he believed that the planets revolved around the sun.
  • Tycho Brahe
    Dec 14, 1546

    Tycho Brahe

    Died: October 24, 1601 He made a model of the most accurate observation up to that time. His observation included mapping star positions and more than 20 years he made detailed records of his findings.
  • Galileo Galilei
    Feb 15, 1564

    Galileo Galilei

    Died:
    He came up with the law of the Pendulum,
    He also discoverd four of Jupiters moon. Gallileo was the first person to invent a telescope..
  • johannes Kepler
    Dec 27, 1572

    johannes Kepler

    Died: November 15, 1630 He was the creater of the Laws of planetary Motion.
  • Sir Issac Newton

    Sir Issac Newton

    Died: March 31, 1727 He discovered and created all of the Newtons law that makes us understand more about gravity and time that are relevent to space.
  • Ptolemy

    Ptolemy

    Born- 85
    Died- 165 He came up with the model called Ptolemaic system,
  • Hipparchus

    Hipparchus

    Born 190
    Died
  • Aristotle

    Aristotle

    Died 322 BC,
    Born 384 BC, He was the one that proved thats the earth was round and he aslo believed that it was at the center.