Cosmology HOME
Jump to Ideas The Greek Worldview The Start of Scientific Cosmology The Mechanical Universe Island Universes The Expanding Universe Big Bang or Steady State? The Journey Continues
Naked Eyes The First Telescopes Early Reflectors Golden Era of Refractors Spectroscopy and the Birth of Astrophysics Rebirth of the Reflector New Tools
Home
 
Looking Down the 20-foot Tube
spacer

 

Looking down Herschel's 20-foot tube without its eyepeice lens.

Image Courtesy the Royal Astronomical Society

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

Back:
Early Reflectors