How big is space?

  • The earth orbits the sun

    Johannes Kepler discovers that the earth orbits the sun.
  • Black Holes

    Laplace predicts the existence of black holes
  • Positions of stars

    In 1762 James bradle created a star catalouge which has 60,000 positions of the stars.
  • Uranus

    William Herschel discovers Uranus.
  • Theory of the universe

    Pierre Laplace creates the theory of the universe.
  • Neptune

    Johann Galle discovers Neptune.
  • proxima Centauri

    Discovery of Proxima Centauri, the nearest star to the Earth
  • pluto

    Clyde Tombaugh discovers Pluto.