Astronomy

By Mackenzie Martin
  • Apr 29, 1543

    Copernicus publishes his heliocentric theory of the Universe.

    Occured in Poland

  • Galileo uses telescope for astronomical purposes.

    He discovers 4 Jovian moons, the Moon's craters and the Milky Way galaxy, in Italy.

  • The Third Law of Planetary Motion is announced by Kepler in his work Harmonice Mundi (Harmony of the World).

    Germany

  • The discovery of Uranus by Herschel

    England

  • Schiaparelli observes the canals on Mars.

    Mars

  • Huygens notes markings on Mars.

    Netherlands

  • Space Shuttle Challenger disaster

    U.S.A.

  • Galileo space probe reaches Jupiter.

    Near Jupiter

  • Galileo discovers origin of Jupiter's Rings

    Jupiter

  • New evidence found for water on Mars.

    Mars

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