Galaxy

Star TimeLine

By Divena
  • Period: to

    timespan

  • Eugen Goldstein 1886

    Eugen Goldstein 1886
    in 1886 Eugen Goldstein discovers that atoms had positive charges

  • J.J Thomson 1897

    J.J Thomson 1897
    in 1897 J.J Thomson discoverd the electron

  • Ernest Rutherford

    Ernest Rutherford
    In 1908 Ernest Rutherford proved Thomson's raisin bread structure incorrect.

  • James Chadwick 1932,

    James Chadwick 1932,
    In 1932, James Chadwick discovered a third type of subatomic particle, which he named the neutron.