Astronomy timeline

By Josh Speakdaddy
  • Apr 29, 1543

    Theory of the Universe

    Copernicus publishes his heliocentric theory of the Universe
  • Period: Apr 29, 1543 to

    History of Astronomy

  • Apr 29, 1572

    Supernova

    Tycho Brahe discovers a supernova in the constellation of Cassiopeia

  • Discovery of the Milky Way

    Galileo uses telecope for astronomical reasons and discorvers 4 Jovian moons, the Moon's craters, and the Milky Way Galaxy

  • Beginning of Star Analysis

  • Hubble discovers More Galaxies beyond Milky Way

  • Explorer 1 launched

    First satellite to orbit earth is launched

  • Armstrong and Aldrin walk the Moon

    Apollo 11 lands on the moon

  • Challenger Disaster

    Space shuttle, Challenger, explodes after launch

  • Mars Pathfinder

    The mars pathfinder lands on Mars

  • Water on Mars

    Evidence of water is found on Mars

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