Ancient Astronomers Timeline

  • 380 BCE

    Geocentric Theory (Ptolemy)

    This theory was said that Earth was the center and all other planets circled around us.
  • 232 BCE

    Mesolabio (Eratosthenes)

    This instrument helped construct geometric sequences.
  • 1543

    Heliocentric Theory (Nicolaus Copernicus)

    This theory lead to the discovery of more advanced astronomical tools.
  • 1572

    Supernova 1572 (Tycho Brahe)

    This star helped astronomers figure out that if it explodes it could outshine one whole galaxy.
  • Three Major Laws of Planetary Motion (Johannes Keppler)

    This helped describe the orbits of planets around the Sun.
  • Laws of Gravity and Motion (Sir Isaac Newton)

    The Laws of Gravity and Motion are important because it is the foundation of classical mechanics.
  • Theory of Relativity (Albert Einstein)

    This theory helps us explain the behavior of objects in space and time. This theory can also help predict stuff in space like black holes.