Binoculars bob

Astronomy is the oldest science

By sofia_estrada
  • 4 BCE

    Heliocentrismo

    Heliocentrismo
    The greek astronomer Aristarchus of Samos suggested that the Earth revolved around the sun
  • 2 BCE

    classifing stars

    classifing stars
    the greek astronomer hiparchus classified the stars according to their apparent brightness
  • 2 BCE

    geocentric

    geocentric
    Ptolemy suggested a gencentric model.according to him the sun,the moon and the 5 known planets all revolved around the sun

  • telescope

    telescope
    Galileo used a telescope for a first time to observe the night sky

  • the first telescope born

    the first telescope born
    Isaac Newton built the first telescope using mirrors insted of lenses