astronomy

By rachalleway
  • 230

    Aristarchus

    Earth revolves around sun.

  • Hans Libbershey

    a Dutch spectacles maker invents telescope.

  • Galileo

    Galleo uses telescopes for astronmical purposes.

  • Kepler

    Laws of planet motion

  • Issac Newton

    First reflecting telescope

  • Will Huggins

    Beginning of analysis of stars

  • Copernius

    heliocentric theory

  • EDWIN HUBBLE

    SHOWS GALAXIES EXIST OUTSIDE MILKY WAY.

  • Grote Reber

    First radio telescope

  • Yuri Gagarin

    First nman in space.

  • Armstrong and Aldrin

    Walk on the moon

  • Hubble Space Telescope

    Telescope put inrto orbit from space shuttle discovery

  • Iss

    Launched