Earth Science timeline

  • Period: Jan 1, 1473 to Jan 1, 1543

    Nicolaus Copernicus

    He is often considered the 'father of astronomy' as he was the one who created the modernized version of it.
  • Period: Jan 1, 1564 to

    Galileo Galilei

    He contributed greatly to the understanding of the universe by making helpful inventions.
  • Period: Jan 1, 1571 to

    CJohannes Kepler

    made 'Kepler's Laws of Planetary Motion', an idea we still use today, though modernized.
  • Period: to

    Frederick William Herschel

    His biggest career moment was when he discovered Uranus in 1781.
  • Period: to

    Henrietta Swan Leavitt

    She was known as a sort of 'human computer' at Harvard's observatory.
  • Period: to

    Edwin Hubble

    He is, of course, famous for the Hubble telescope that NASA still used to this day, but also he was the one who proved the galaxy is only one in a billion.
  • Period: to

    Gerard Kuiper

    He discovered the Kuiper's Belt theory
  • Period: to

    Carl Sagan

    He was one of the most famous modern astronomers.
  • Period: to

    Neil deGrasse Tyson

    He's written a number of books full of theories and smartness.