Binoculars bob

Astronomy is the oldest science

By sofia_estrada
  • Heliocentrismo
    4 BCE

    Heliocentrismo

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

    classifing stars

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

    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