Andromeda m31

The Most Significant Events in Astronomy

  • Big Bang
    20,000 BCE

    Big Bang

    Sometime between 13 and 20 billions years ago was an explotion that create the center of the universe
  • First Solar-lunar Calendar
    2000 BCE

    First Solar-lunar Calendar

    In Egypt, Mesopotamia it was create the first solar-lunar calendar
  • Observatory
    Sep 6, 1120

    Observatory

    The construction of the first observatory in Cario, Egypt
  • Heleocentric Theory
    Sep 13, 1543

    Heleocentric Theory

    Copernicus publishes his heliocentric theory of the Universe.
  • Reflecting telescope

    Reflecting telescope

    The first reflecting telescope was built by Newton.
  • Red Spot

    Red Spot

    The Great Red Spot on Jupiter becomes prominent.
    1905 A.D. California
  • Electrodynamics of Moving Bodies

    Electrodynamics of Moving Bodies

    Albert Aenstein introduce a special relative theory
  • Pluto

    Pluto

    Clyde Tombaugh discovers Pluto.
  • Radio Waves

    Radio Waves

    Karl Jansky discovers radio waves
  • First radio telescope

    First radio telescope

    the first radio telescope
  • Sputnik

    Sputnik

    first object to orbit the Earth, launched by the Russians.
  • Satellite of U.S.A.

    Satellite of U.S.A.

    Explorer 1 launched. This was the first U.S. satellite to orbit the Earth.
  • Uranus Rings

    Uranus Rings

    Discovery of Uranus' rings
  • Space Statin

    Space Statin

    Construction begins on the International Space Station.
  • Water in Mars

    Water in Mars

    they found water in Mars