Earth space

  • 384 BCE

    Eratosthenes

    Discovered the circumference of the earth which helped immensely with navigation
  • 150 BCE

    Claudius Ptolemy

    Created the geocentric theory which in the end was wrong but it is still something everyone around the World still learns about
  • 1504

    Nicolaus Copernicus

    He determined that all the planets revolve around the sun this helped us understand the universe and how the planets moved together
  • 1572

    Tycho Brahe

    founded the supernova which was monumental to the discovery of elements heavier than iron and was believed to be a part of the formation of Earth
  • Johannes Kepler

    Planets move faster the closer they are to the sun this is important because it became Kepler's second law
  • Sir Isaac Newton

    Discovered the laws of gravity very important due to the fact that gravity is the reasons everything can exists the way it does and holds us here on earth
  • Albert Einstein

    He discovered the photoelectric effect it was significant cause it questioned the concepts of natural light