Astronomy events trough years

  • 4 BCE

    1st event

    1st event
    Greek astronomer Aristarchus of Samos suggested that the Earth revolved around the Sun.
  • 2 BCE

    2nd event

    2nd event
    The greek astronomer Hiparchus classified the stars according to their apparent brightness.
  • 200

    3rd event

    3rd event
    Ptolemy suggested a geocentric astronomic model. According to him , the Sun, the moon and the five known planets all, revolved the planet.
  • Jan 1, 1543

    4th event

    4th event
    Copernicus published his heliocentric model according to which the planets revolved around the Sun.
  • 5th event

    5th event
    Tyco Brahe carried out very detailed observation of the observations.Kepler deduced his famous planetary laws following Brahe's observation.
  • 6th event

    6th event
    Galileo used a telescope for the first time to observe the night sky.
  • 7th event

    7th event
    Isaac Newton invented the first telescope using mirrors instead of lenses
  • 8th event

    8th event
    W.Herschel discovered the planet Uranus
  • 9th event

    9th event
    C. Tombaugh discovered the planet Pluto
  • 10th event

    10th event
    The discovery of the first extra-solar planets