Annie Jump Cannon

By starbella1313
  • Period: to

    Cannon Lifespan

  • Jansen and Lockyer observe solar prominences.

    Jansen and Lockyer observe solar prominences.

  • Asaph Hall discovers Phobos and Deimos, the moons of Mars.

    Asaph Hall discovers Phobos and Deimos, the moons of Mars.

    Asaph Hall discovers Phobos and Deimos, the moons of Mars.
  • The Great Red Spot on Jupiter becomes prominent.

    The Great Red Spot on Jupiter becomes prominent.

  • Cannon joined the "Pickering Women"

    Cannon joined the "Pickering Women"

    Pickering woman are women hired by Harvard College Observatory director to reduce data and carry out astronomical calculations.
  • Period: to

    Provisional Catalogue

    Published a provisional catalogue with 1,957 variable stars
  • Albert Einstein introduces special Theory of Relativity in paper Electrodynamics of Moving Bodies

    Albert Einstein introduces special Theory of Relativity in paper Electrodynamics of Moving Bodies

  • Hertzsprung describes giant and drawf stars

    Hertzsprung describes giant and drawf stars

  • Harvard Spectral Classification

    Harvard Spectral Classification

    Harvard Spectral Classification officially adopted by the International Astronomical Union
  • Period: to

    Hertz and Russel introduce H-R diagram

  • Einstein

    Einstein

    Albery Einstein introduces his General Theory of Relativity
  • Groningen University

    Groningen University

    Annie Jump Cannon is the first woman to receive a doctor of astronomy degree from Groningen University
  • Hubble shows that galaxies exist outside the Milky Way galaxy.

    Hubble shows that galaxies exist outside the Milky Way galaxy.

  • Cannon recieves honorary degree from Oxford

    Cannon recieves honorary degree from Oxford

  • Clyde Tombaugh discovers Pluto.

    Clyde Tombaugh discovers Pluto.