Astronomy

By Sierra94
  • Feb 1, 1234

    Aristarchus suggests that the earth revolves around the sun

    Aristarchus suggests that the earth revolves around the sun
    310-230 b.c.
  • Feb 28, 1543

    Copernicus publishes his heliocentric theory

    Copernicus publishes his heliocentric theory

  • Hans Lippershey invents the telescope

    Hans Lippershey invents the telescope

  • Kepler comes up with his laws of planetary motion

    Kepler comes up with his laws of planetary motion

  • Galileo uses telescope for astronomical purposes. He discover 4 of Jupiter's moons, the Moon's craters and the Milky Way galaxy.

    Galileo uses telescope for astronomical purposes. He discover 4 of Jupiter's moons, the Moon's craters and the Milky Way galaxy.

  • Isaac Newton built the first refelcting telescope

    Isaac Newton built the first refelcting telescope

  • The beginning of spectral analysis of stars

    The beginning of spectral analysis of stars

  • Edwin Hubble shows that galaxies exist outside the Milky Way

    Edwin Hubble shows that galaxies exist outside the Milky Way

  • First radio telescope built by Grote Reber

    First radio telescope built by Grote Reber

  • Yuri Gagarin becomes the first man in space.

    Yuri Gagarin becomes the first man in space.

  • Aldrin and Armstrong, Apollo 11 mission

    Aldrin and Armstrong, Apollo 11 mission

  • Hubble Space Telescope put into orbit from space shuttle Discovery.

    Hubble Space Telescope put into orbit from space shuttle Discovery.

  • ISS launch

    ISS launch