Key Events in Astronomy

By Prodigy09
  • 4 BCE

    the sun discovered

    the sun discovered
    The greek astronomer Aristarchus suggested that the earth revolved around the sound
  • 2 BCE

    Clasifying stars

    Clasifying stars
    Hiparchus classified the stars according their brightness
  • 2 BCE

    Geocentric astronomic model

    Geocentric astronomic model
    Ptolomy suggested a geocentric astronomic model , acording to him the sun the moon and the five planets all revolved around the earth
  • Sep 21, 1543

    Heliocentric model

    Heliocentric model
    Copernicus published his heliocentric model according the planets revolved around the sun

  • Tyco Brahe observation

    Tyco Brahe observation
    Tyco Brahe carried out a detailed observation of the planets ,Kepler deduced his famous planetary laws

  • The birth of modern astronomy

    The birth of modern astronomy
    Galileo used a telescope for the first time and that was the birth of modern astronomy

  • The first teleccope using mirrors instead of lenses

    The first teleccope using mirrors instead of lenses
    Isaac Newton built the first telescope using mirrors instead of lenses

  • The principales of natural philosofy

    The principales of natural philosofy
    Newton published his book explaining the laws of the movement of planet

  • Edmund Halley explained newtons laws

    Edmund Halley explained newtons laws
    Edmund Halley explained newtons laws and predicted the return of the comet

  • Uranus

    Uranus
    W.Herschel discovered the planet uranus