History of Astronomy

By 17mfamigletti

  • Telescope

    Hans Lippershey, invents the telescope

  • Kepler

    Kepler's First and Second Laws of Planetary Motion

  • Newton's Telescope

    The first reflecting telescope was built by Newton.

  • Theory of Relativity

    Albert Einstein introduces his general Theory of Relativity.

  • Sputnik

    Sputnik, first object to orbit the Earth, was launched by the Russians.

  • Challenger Disaster

    Space Shuttle Challenger disaster

  • Galileo

    Galileo space probe reaches Jupiter.

  • Cassini

    Cassini begins its journey to Saturn.

  • Hubble

    Scientists discover the real Hubble Constant

  • Near

    The Near spacecraft reaches asteroid Eros.