Cosmology HOME
Jump to Tools Naked Eyes The First Telescopes Early Reflectors Golden Era of Refractors Spectroscopy and the Birth of Astrophysics Rebirth of the Reflector New Tools
The Greek Worldview The Start of Scientific Cosmology The Mechanical Universe Island Universes The Expanding Universe Big Bang or Steady State? The Journey Continues
Site Map

Fritz Zwicky



In the 1930s, maverick astronomer Fritz Zwicky insisted that galaxies harbor a huge quantity of unseen matter. Half a century passed before cosmologists began to come to grips with this enigma.

Credit: Copyright Caltech

Copyright ©.
Brought to you
by the
Center for History of Physics, a Division of the
American Institute of Physics

Back: The Journey Continues

Exhibit Home