Hubble's Law - Definition, Formula, Constant, Example & Redshift
Lecture 33: The Cosmic Distance Scale
CLEA - The Hubble Redshift Distance Relation
The Big Bang: Redshift and Hubble's Law - YouTube
Hubble's Observations - Edwin Hubble, in the late 1920's, discovered that all galaxies are moving away from each other as he observed the red shift in. - ppt download
Astronomical Redshift | Imaging the Universe - The University of Iowa